powerpc: merge sigcontext.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

include/asm-ppc64/sigcontext.h → include/asm-powerpc/sigcontext.h

-#ifndef _ASM_PPC64_SIGCONTEXT_H
-#define _ASM_PPC64_SIGCONTEXT_H
+#ifndef _ASM_POWERPC_SIGCONTEXT_H
+#define _ASM_POWERPC_SIGCONTEXT_H
 
 /*
  * This program is free software; you can redistribute it and/or
@@ -9,16 +9,20 @@
  */
 #include <linux/compiler.h>
 #include <asm/ptrace.h>
+#ifdef __powerpc64__
 #include <asm/elf.h>
-
+#endif
 
 struct sigcontext {
 	unsigned long	_unused[4];
 	int		signal;
+#ifdef __powerpc64__
 	int		_pad0;
+#endif
 	unsigned long	handler;
 	unsigned long	oldmask;
 	struct pt_regs	__user *regs;
+#ifdef __powerpc64__
 	elf_gregset_t	gp_regs;
 	elf_fpregset_t	fp_regs;
 /*
@@ -42,6 +46,7 @@ struct sigcontext {
  */
 	elf_vrreg_t	__user *v_regs;
 	long		vmx_reserve[ELF_NVRREG+ELF_NVRREG+1];
+#endif
 };
 
-#endif /* _ASM_PPC64_SIGCONTEXT_H */
+#endif /* _ASM_POWERPC_SIGCONTEXT_H */

include/asm-ppc/sigcontext.h

-#ifndef _ASM_PPC_SIGCONTEXT_H
-#define _ASM_PPC_SIGCONTEXT_H
-
-#include <asm/ptrace.h>
-#include <linux/compiler.h>
-
-struct sigcontext {
-	unsigned long	_unused[4];
-	int		signal;
-	unsigned long	handler;
-	unsigned long	oldmask;
-	struct pt_regs 	__user *regs;
-};
-
-#endif