Fixup for arch/score after extable.h introduction

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Merge tag 'extable-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux

Pull extable.h fix from Paul Gortmaker:
 "Fixup for arch/score after extable.h introduction.

  It seems that Guenter is the only one on the planet doing builds for
  arch/score -- we don't have compile coverage for it in linux-next or
  in the kbuild-bot either. Guenter couldn't even recall where he got
  his toolchain, but was kind enough to share it with me so I could
  validate this change and also add arch/score to my build coverage.

  I sat on this a bit in case there was any other fallout in other arch
  dirs, but since this still seems to be the only one, I might as well
  send it on its way"

* tag 'extable-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
  score: Fix implicit includes now failing build after extable change

arch/score/kernel/traps.c

@@ -24,6 +24,7 @@
  */
 
 #include <linux/extable.h>
+#include <linux/ptrace.h>
 #include <linux/sched/mm.h>
 #include <linux/sched/signal.h>
 #include <linux/sched/debug.h>

arch/score/mm/extable.c

@@ -24,6 +24,8 @@
  */
 
 #include <linux/extable.h>
+#include <linux/ptrace.h>
+#include <asm/extable.h>
 
 int fixup_exception(struct pt_regs *regs)
 {