boards: STM32H7 pad to 256 bit - 32 bytes (#19724)

boards/mro/ctrl-zero-classic/nuttx-config/scripts/script.ld

@@ -187,7 +187,12 @@ SECTIONS
 		*(.gnu.linkonce.d.*)
 		CONSTRUCTORS
 		_edata = ABSOLUTE(.);
-	} > AXI_SRAM AT > FLASH
+
+		/* Pad out last section as the STM32H7 Flash write size is 256 bits. 32 bytes */
+		. = ALIGN(16);
+		FILL(0xffff)
+		. += 16;
+	} > AXI_SRAM AT > FLASH  = 0xffff
 
 	.bss : {
 		_sbss = ABSOLUTE(.);
@@ -207,7 +212,6 @@ SECTIONS
 		_sram4_heap_start = ABSOLUTE(.);
 	} > SRAM4
 
-
 	/* Stabs debugging sections. */
 	.stab 0 : { *(.stab) }
 	.stabstr 0 : { *(.stabstr) }
@@ -221,13 +225,4 @@ SECTIONS
 	.debug_line 0 : { *(.debug_line) }
 	.debug_pubnames 0 : { *(.debug_pubnames) }
 	.debug_aranges 0 : { *(.debug_aranges) }
-
-	.ramfunc : {
-		_sramfuncs = .;
-		*(.ramfunc  .ramfunc.*)
-		. = ALIGN(4);
-		_eramfuncs = .;
-	} > ITCM_RAM AT > FLASH
-
-	_framfuncs = LOADADDR(.ramfunc);
 }