x86: unify include/asm/unwind_32/64.h

32bit has an extra UNW_FP define, which does not hurt.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

include/asm-x86/unwind.h

-#ifdef CONFIG_X86_32
-# include "unwind_32.h"
-#else
-# include "unwind_64.h"
-#endif
+#ifndef _ASM_X86_UNWIND_H
+#define _ASM_X86_UNWIND_H
+
+#define UNW_PC(frame) ((void)(frame), 0UL)
+#define UNW_SP(frame) ((void)(frame), 0UL)
+#define UNW_FP(frame) ((void)(frame), 0UL)
+
+static inline int arch_unw_user_mode(const void *info)
+{
+	return 0;
+}
+
+#endif /* _ASM_X86_UNWIND_H */

include/asm-x86/unwind_32.h

-#ifndef _ASM_I386_UNWIND_H
-#define _ASM_I386_UNWIND_H
-
-#define UNW_PC(frame) ((void)(frame), 0)
-#define UNW_SP(frame) ((void)(frame), 0)
-#define UNW_FP(frame) ((void)(frame), 0)
-
-static inline int arch_unw_user_mode(const void *info)
-{
-	return 0;
-}
-
-#endif /* _ASM_I386_UNWIND_H */

include/asm-x86/unwind_64.h

-#ifndef _ASM_X86_64_UNWIND_H
-#define _ASM_X86_64_UNWIND_H
-
-#define UNW_PC(frame) ((void)(frame), 0UL)
-#define UNW_SP(frame) ((void)(frame), 0UL)
-
-static inline int arch_unw_user_mode(const void *info)
-{
-	return 0;
-}
-
-#endif /* _ASM_X86_64_UNWIND_H */