STM32H7 : use RAM instead of DTCMRAM (IAR toolchain)

Keep vector table and crash data ram in 0x20000000 for
tests-mbed_platform-crash_reporting test.
Move the rest in RAM (0x24000000). This is needed for ethernet and allows
user to use more RAM (512k).

Signed-off-by: Vincent Veron <[email protected]>

Author: VVESTM

targets/TARGET_STM/TARGET_STM32H7/TARGET_STM32H743xI/device/TOOLCHAIN_IAR/stm32h743xI.icf

@@ -10,11 +10,11 @@ define symbol __region_ROM_end__   = MBED_APP_START + MBED_APP_SIZE - 1;
 // 512KB RAM (0x80000)
 // Vector table dynamic copy: 166 vectors = 664 bytes (0x298) reserved
 // Crash data area: 256 bytes (0x100) reserved
-define symbol __NVIC_start__                  = 0x24000000;
-define symbol __NVIC_end__                    = 0x24000297;
-define symbol __region_CRASH_DATA_RAM_start__ = 0x24000298; // Aligned on 8 bytes
-define symbol __region_CRASH_DATA_RAM_end__   = 0x24000397;
-define symbol __region_RAM_start__            = 0x24000398; // Aligned on 8 bytes
+define symbol __NVIC_start__                  = 0x20000000;
+define symbol __NVIC_end__                    = 0x20000297;
+define symbol __region_CRASH_DATA_RAM_start__ = 0x20000298; // Aligned on 8 bytes
+define symbol __region_CRASH_DATA_RAM_end__   = 0x20000397;
+define symbol __region_RAM_start__            = 0x24000000; // Aligned on 8 bytes
 define symbol __region_RAM_end__              = 0x24000000 + 0x80000 - 1;
 
 // Memory regions