NUCLEO_WB55RG: WB Transport Layer Cube files modifications

- Need to force ARM packed redefinition
- Configure LL stack in LL mode only
- Remove warning in shci_tl.c (PLACE_IN_SECTION)

Author: LMESTM

features/FEATURE_BLE/targets/TARGET_STM/TARGET_NUCLEO_WB55RG/app_conf.h

@@ -161,7 +161,7 @@
  *  1 : LL Only
  *  0 : LL + Host
  */
-#define CFG_BLE_LL_ONLY  0
+#define CFG_BLE_LL_ONLY  1
 
 
 /******************************************************************************

features/FEATURE_BLE/targets/TARGET_STM/TARGET_NUCLEO_WB55RG/shci_tl.c

@@ -38,10 +38,10 @@
 /**
  * START of Section SYSTEM_DRIVER_CONTEXT
  */
-PLACE_IN_SECTION("SYSTEM_DRIVER_CONTEXT") static tListNode SHciAsynchEventQueue;
-PLACE_IN_SECTION("SYSTEM_DRIVER_CONTEXT") static volatile SHCI_TL_CmdStatus_t SHCICmdStatus;
-PLACE_IN_SECTION("SYSTEM_DRIVER_CONTEXT") static TL_CmdPacket_t *pCmdBuffer;
-PLACE_IN_SECTION("SYSTEM_DRIVER_CONTEXT") SHCI_TL_UserEventFlowStatus_t SHCI_TL_UserEventFlow;
+static tListNode SHciAsynchEventQueue;
+static volatile SHCI_TL_CmdStatus_t SHCICmdStatus;
+static TL_CmdPacket_t *pCmdBuffer;
+SHCI_TL_UserEventFlowStatus_t SHCI_TL_UserEventFlow;
 /**
  * END of Section SYSTEM_DRIVER_CONTEXT
  */

features/FEATURE_BLE/targets/TARGET_STM/TARGET_NUCLEO_WB55RG/stm32_wpan_common.h

@@ -143,13 +143,8 @@ extern "C" {
 #undef PACKED_STRUCT
 
 #if defined ( __CC_ARM )
-  #if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050U)
     #define PACKED__ __attribute__((packed))
     #define PACKED_STRUCT struct PACKED__
-  #else
-    #define PACKED__(TYPE) __packed TYPE
-    #define PACKED_STRUCT PACKED__(struct)
-  #endif
 #elif defined   ( __GNUC__ )
   #define PACKED__ __attribute__((packed))
   #define PACKED_STRUCT struct PACKED__