Merge signal arch cleanups

diff --cc arch/i386/kernel/signal.c
Simple merge

diff --cc arch/mips/kernel/signal.c
Simple merge

diff --cc arch/ppc/kernel/signal.c
Simple merge

diff --cc arch/ppc64/kernel/signal.c
Simple merge

diff --cc arch/s390/kernel/signal.c
Simple merge

diff --cc arch/s390x/kernel/signal.c
Simple merge

diff --cc arch/sh/kernel/signal.c
Simple merge

diff --cc arch/x86_64/kernel/signal.c
Simple merge

diff --cc kernel/signal.c
index f195db26ed91e8ba8c187bf9678c670950509a63,94cf35bd0a0184dd147ac4cd6a7106cd20613ff3..b61c19be49297be0ba08ed2f47b4e658524c09c7
--- 1/kernel/signal.c
--- 2/kernel/signal.c
+++ b/kernel/signal.c
@@@ -14,9 -14,10 +14,11 @@@
  #include <linux/init.h>
  #include <linux/sched.h>
  #include <linux/fs.h>
+ #include <linux/tty.h>
+ #include <linux/binfmts.h>
  
  #include <asm/uaccess.h>
 +#include <asm/siginfo.h>
  
  /*
   * SLAB caches for signal bits.