fix linker issue with clang

Author: hathach

hw/bsp/stm32h7rs/boards/stm32h7s3nucleo/stm32h7s3xx_flash.ld

@@ -35,16 +35,12 @@
 /* Entry Point */
 ENTRY(Reset_Handler)
 
-/* Highest address of the user mode stack */
-_estack = ORIGIN(DTCM) + LENGTH(DTCM); /* end of "DTCM" Ram type memory */
-
 _Min_Heap_Size = 0x200; /* required amount of heap */
 _Min_Stack_Size = 0x400; /* required amount of stack */
 
 __FLASH_BEGIN  = 0x08000000;
 __FLASH_SIZE   = 0x00010000;
 
-
 __RAM_BEGIN    = 0x24000000;
 __RAM_SIZE     = 0x4FC00;
 __RAM_NONCACHEABLEBUFFER_SIZE = 0x4000;
@@ -63,6 +59,9 @@ MEMORY
   FLASH     (xrw) : ORIGIN = __FLASH_BEGIN, LENGTH = __FLASH_SIZE
 }
 
+/* Highest address of the user mode stack */
+_estack = ORIGIN(DTCM) + LENGTH(DTCM); /* end of "DTCM" Ram type memory */
+
 /* Sections */
 SECTIONS
 {
@@ -100,14 +99,14 @@ SECTIONS
     . = ALIGN(4);
   } >FLASH
 
-  .ARM.extab (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  .ARM.extab :
   {
     . = ALIGN(4);
     *(.ARM.extab* .gnu.linkonce.armextab.*)
     . = ALIGN(4);
   } >FLASH
 
-  .ARM (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  .ARM :
    {
     . = ALIGN(4);
     __exidx_start = .;
@@ -116,7 +115,7 @@ SECTIONS
     . = ALIGN(4);
   } >FLASH
 
-  .preinit_array  (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  .preinit_array   :
   {
     . = ALIGN(4);
     PROVIDE_HIDDEN (__preinit_array_start = .);
@@ -125,7 +124,7 @@ SECTIONS
     . = ALIGN(4);
   } >FLASH
 
-  .init_array (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  .init_array  :
   {
     . = ALIGN(4);
     PROVIDE_HIDDEN (__init_array_start = .);
@@ -135,7 +134,7 @@ SECTIONS
     . = ALIGN(4);
   } >FLASH
 
-  .fini_array (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  .fini_array  :
   {
     . = ALIGN(4);
     PROVIDE_HIDDEN (__fini_array_start = .);