[SPARC]: Merge asm-sparc{,64}/emergency-restart.h

Signed-off-by: David S. Miller <davem@davemloft.net>

include/asm-sparc64/emergency-restart.h

-#ifndef _ASM_EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
-
-#include <asm-generic/emergency-restart.h>
-
-#endif /* _ASM_EMERGENCY_RESTART_H */
+#include <asm-sparc/emergency-restart.h>