sh: Update kexec support for API changes.

This was falling a bit behind..

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/kexec.h b/include/asm-sh/kexec.h
index a5f85e9..9d235af 100644
--- a/include/asm-sh/kexec.h
+++ b/include/asm-sh/kexec.h
@@ -25,11 +25,8 @@
 
 #define MAX_NOTE_BYTES 1024
 
-#ifndef __ASSEMBLY__
-
-extern void machine_shutdown(void);
-extern void *crash_notes;
-
-#endif /* __ASSEMBLY__ */
+/* Provide a dummy definition to avoid build failures. */
+static inline void crash_setup_regs(struct pt_regs *newregs,
+					struct pt_regs *oldregs) { }
 
 #endif /* _SH_KEXEC_H */