gdb: Add fixes for stdint and remote debug on xtensa.

Take both stdint and remote debug fixes from SOF.

Signed-off-by: Liam Girdwood <[email protected]>

Author: lrgirdwo

patches/gdb/8.3.1/0002-xtensa-uint32.patch

@@ -0,0 +1,13 @@
+Index: gdb/gdb/arch/xtensa.h
+===================================================================
+--- gdb.orig/gdb/arch/xtensa.h
++++ gdb/gdb/arch/xtensa.h
+@@ -20,6 +20,8 @@
+ #ifndef ARCH_XTENSA_H
+ #define ARCH_XTENSA_H
+ 
++#include <stdint.h>
++
+ /* Xtensa ELF core file register set representation ('.reg' section).
+    Copied from target-side ELF header <xtensa/elf.h>.  */
+ 

patches/gdb/8.3.1/0003-fix-remote-debug.patch

@@ -0,0 +1,27 @@
+Index: gdb-8.3.1/gdb/remote.c
+===================================================================
+--- gdb-8.3.1.orig/gdb/remote.c
++++ gdb-8.3.1/gdb/remote.c
+@@ -8035,11 +8035,17 @@ remote_target::process_g_packet (struct
+   buf_len = strlen (rs->buf.data ());
+ 
+   /* Further sanity checks, with knowledge of the architecture.  */
+-  if (buf_len > 2 * rsa->sizeof_g_packet)
+-    error (_("Remote 'g' packet reply is too long (expected %ld bytes, got %d "
+-	     "bytes): %s"),
+-	   rsa->sizeof_g_packet, buf_len / 2,
+-	   rs->buf.data ());
++   if(buf_len > 2 * rsa->sizeof_g_packet) {
++        rsa->sizeof_g_packet = buf_len;
++        for(i = 0; i < gdbarch_num_regs(gdbarch); i++){
++            if(rsa->regs[i].pnum == -1)
++               continue;
++            if(rsa->regs[i].offset >= rsa->sizeof_g_packet)
++               rsa->regs[i].in_g_packet = 0;
++            else
++               rsa->regs[i].in_g_packet = 1;
++        }
++  }
+ 
+   /* Save the size of the packet sent to us by the target.  It is used
+      as a heuristic when determining the max size of packets that the