variants: Relocate llext heap and main stack.

Signed-off-by: iabdalkader <[email protected]>

Author: iabdalkader

variants/arduino_portenta_h7_stm32h747xx_m7/arduino_portenta_h7_stm32h747xx_m7.conf

@@ -11,7 +11,8 @@ CONFIG_CDC_ACM_DTE_RATE_CALLBACK_SUPPORT=y
 
 CONFIG_LLEXT_STORAGE_WRITABLE=n
 CONFIG_SHARED_MULTI_HEAP=y
-CONFIG_HEAP_MEM_POOL_SIZE=65536
+CONFIG_HEAP_MEM_POOL_SIZE=32768
+CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
 
 CONFIG_CPP=n
 CONFIG_SHELL=n
@@ -28,6 +29,10 @@ CONFIG_MAX_THREAD_BYTES=4
 CONFIG_MAIN_STACK_SIZE=32768
 CONFIG_LLEXT_HEAP_SIZE=128
 
+CONFIG_CODE_DATA_RELOCATION=y
+CONFIG_MAIN_STACK_REGION="DTCM"
+CONFIG_LLEXT_HEAP_REGION="SRAM2"
+
 CONFIG_ADC=y
 CONFIG_PWM=y
 CONFIG_DMA=y