cuav x7pro:Add remaining SRAM4 & DTCM to heap

boards/cuav/x7pro/nuttx-config/nsh/defconfig

@@ -88,6 +88,7 @@ CONFIG_MEMSET_OPTSPEED=y
 CONFIG_MMCSD=y
 CONFIG_MMCSD_SDIO=y
 CONFIG_MMCSD_SDIOWAIT_WRCOMPLETE=y
+CONFIG_MM_REGIONS=4
 CONFIG_MTD=y
 CONFIG_MTD_BYTE_WRITE=y
 CONFIG_MTD_PARTITION=y
@@ -162,8 +163,6 @@ CONFIG_STM32H7_BKPSRAM=y
 CONFIG_STM32H7_DMA1=y
 CONFIG_STM32H7_DMA2=y
 CONFIG_STM32H7_DMACAPABLE=y
-CONFIG_STM32H7_DTCMEXCLUDE=y
-CONFIG_STM32H7_DTCM_PROCFS=y
 CONFIG_STM32H7_FLOWCONTROL_BROKEN=y
 CONFIG_STM32H7_I2C1=y
 CONFIG_STM32H7_I2C2=y

boards/cuav/x7pro/nuttx-config/scripts/script.ld

@@ -199,11 +199,13 @@ SECTIONS
 
 	/* Emit the the D3 power domain section for locating BDMA data */
 
-	.sram4 (NOLOAD) :
+	.sram4_reserve (NOLOAD) :
 	{
+		*(.sram4)
+		. = ALIGN(4);
+		_sram4_heap_start = ABSOLUTE(.);
 	} > SRAM4
 
-
 	/* Stabs debugging sections. */
 	.stab 0 : { *(.stab) }
 	.stabstr 0 : { *(.stabstr) }