Splited RAM section not compatible with dynamic HEAP.

RAM define/section if splited, IAR exanpding size considers just one
section while heap creation which results in smaller chunk for heap.
This commit is to unify the RAM section.

Author: deepikabhavnani

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL05Z/device/TOOLCHAIN_IAR/MKL05Z4.icf

@@ -9,22 +9,19 @@ define symbol __ICFEDIT_region_ROM_end__   = 0x00007fff;
 define symbol __ICFEDIT_region_NVIC_start__   = 0x1ffffc00;
 define symbol __ICFEDIT_region_NVIC_end__   = 0x1ffffcbf;
 define symbol __ICFEDIT_region_RAM_start__ = 0x1ffffcc0;
-define symbol __ICFEDIT_region_RAM_end__   = 0x1fffffff;
+define symbol __ICFEDIT_region_RAM_end__   = 0x20000bff;
 /*-Sizes-*/
 /*Heap 1/4 of ram and stack 1/8*/
 define symbol __ICFEDIT_size_cstack__ = 0x200;
 define symbol __ICFEDIT_size_heap__   = 0x400;
 /**** End of ICF editor section. ###ICF###*/
 
-define symbol __region_RAM2_start__ 		= 0x20000000;
-define symbol __region_RAM2_end__ 			= 0x20000bff;
-
 define symbol __FlashConfig_start__			= 0x00000400;
 define symbol __FlashConfig_end__   		= 0x0000040f;
 
 define memory mem with size = 4G;
 define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to (__FlashConfig_start__ - 1)] | mem:[from (__FlashConfig_end__+1)  to __ICFEDIT_region_ROM_end__];
-define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__] | mem:[from __region_RAM2_start__ to __region_RAM2_end__];
+define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__];
 
 define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
 define block HEAP      with expanding size, minimum size = __ICFEDIT_size_heap__, alignment = 8     { };

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/device/TOOLCHAIN_IAR/MKL25Z4.icf

@@ -9,21 +9,18 @@ define symbol __ICFEDIT_region_ROM_end__   = 0x0001ffff;
 define symbol __ICFEDIT_region_NVIC_start__   = 0x1ffff000;
 define symbol __ICFEDIT_region_NVIC_end__   = 0x1ffff0bf;
 define symbol __ICFEDIT_region_RAM_start__ = 0x1ffff0c0;
-define symbol __ICFEDIT_region_RAM_end__   = 0x1fffffff;
+define symbol __ICFEDIT_region_RAM_end__   = 0x20002fff;
 /*-Sizes-*/
 define symbol __ICFEDIT_size_cstack__ = 0x400;
 define symbol __ICFEDIT_size_heap__   = 0xC00;
 /**** End of ICF editor section. ###ICF###*/
 
-define symbol __region_RAM2_start__ 		= 0x20000000;
-define symbol __region_RAM2_end__ 			= 0x20002fff;
-
 define symbol __FlashConfig_start__			= 0x00000400;
 define symbol __FlashConfig_end__   		= 0x0000040f;
 
 define memory mem with size = 4G;
 define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to (__FlashConfig_start__ - 1)] | mem:[from (__FlashConfig_end__+1)  to __ICFEDIT_region_ROM_end__];
-define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__] | mem:[from __region_RAM2_start__ to __region_RAM2_end__];
+define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__];
 
 define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
 define block HEAP      with expanding size, minimum size = __ICFEDIT_size_heap__, alignment = 8     { };

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL26Z/device/TOOLCHAIN_IAR/MKL26Z4.icf

@@ -9,22 +9,19 @@ define symbol __ICFEDIT_region_ROM_end__   = 0x0001ffff;
 define symbol __ICFEDIT_region_NVIC_start__   = 0x1ffff000;
 define symbol __ICFEDIT_region_NVIC_end__   = 0x1ffff0bf;
 define symbol __ICFEDIT_region_RAM_start__ = 0x1ffff0c0;
-define symbol __ICFEDIT_region_RAM_end__   = 0x1fffffff;
+define symbol __ICFEDIT_region_RAM_end__   = 0x20002fff;
 /*-Sizes-*/
 /*Heap 1/4 of ram and stack 1/8*/
 define symbol __ICFEDIT_size_cstack__ = 0x800;
 define symbol __ICFEDIT_size_heap__   = 0x1000;
 /**** End of ICF editor section. ###ICF###*/
 
-define symbol __region_RAM2_start__ 		= 0x20000000;
-define symbol __region_RAM2_end__ 			= 0x20002fff;
-
 define symbol __FlashConfig_start__			= 0x00000400;
 define symbol __FlashConfig_end__   		= 0x0000040f;
 
 define memory mem with size = 4G;
 define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to (__FlashConfig_start__ - 1)] | mem:[from (__FlashConfig_end__+1)  to __ICFEDIT_region_ROM_end__];
-define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__] | mem:[from __region_RAM2_start__ to __region_RAM2_end__];
+define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__];
 
 define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
 define block HEAP      with expanding size, minimum size = __ICFEDIT_size_heap__, alignment = 8     { };

targets/TARGET_Freescale/TARGET_KLXX/TARGET_KL46Z/device/TOOLCHAIN_IAR/MKL46Z4.icf

@@ -9,22 +9,19 @@ define symbol __ICFEDIT_region_ROM_end__   = 0x0002ffff;
 define symbol __ICFEDIT_region_NVIC_start__   = 0x1fffe000;
 define symbol __ICFEDIT_region_NVIC_end__   = 0x1fffe0bf;
 define symbol __ICFEDIT_region_RAM_start__ = 0x1fffe0c0;
-define symbol __ICFEDIT_region_RAM_end__   = 0x1fffffff;
+define symbol __ICFEDIT_region_RAM_end__   = 0x20005fff;
 /*-Sizes-*/
 /*Heap 1/4 of ram and stack 1/8*/
 define symbol __ICFEDIT_size_cstack__ = 0x1000;
 define symbol __ICFEDIT_size_heap__   = 0x4000;
 /**** End of ICF editor section. ###ICF###*/
 
-define symbol __region_RAM2_start__ 		= 0x20000000;
-define symbol __region_RAM2_end__ 			= 0x20005fff;
-
 define symbol __FlashConfig_start__			= 0x00000400;
 define symbol __FlashConfig_end__   		= 0x0000040f;
 
 define memory mem with size = 4G;
 define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to (__FlashConfig_start__ - 1)] | mem:[from (__FlashConfig_end__+1)  to __ICFEDIT_region_ROM_end__];
-define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__] | mem:[from __region_RAM2_start__ to __region_RAM2_end__];
+define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__];
 
 define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
 define block HEAP      with expanding size, minimum size = __ICFEDIT_size_heap__, alignment = 8     { };