i386: prepare shared kernel/vsyscall-sigreturn.S

Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/i386/kernel/vsyscall-int80_32.S

@@ -50,4 +50,4 @@ __kernel_vsyscall:
 /*
  * Get the common code for the sigreturn entry points.
  */
-#include "vsyscall-sigreturn.S"
+#include "vsyscall-sigreturn_32.S"

arch/i386/kernel/vsyscall-sysenter_32.S

@@ -119,4 +119,4 @@ SYSENTER_RETURN:
 /*
  * Get the common code for the sigreturn entry points.
  */
-#include "vsyscall-sigreturn.S"
+#include "vsyscall-sigreturn_32.S"