CRIS: UAPI: use generic sembuf.h

CRIS's sembuf.h is equivalent to the asm-generic version.
Effective diff:

 -#ifndef _CRIS_SEMBUF_H
 -#define _CRIS_SEMBUF_H
 +#ifndef __ASM_GENERIC_SEMBUF_H
 +#define __ASM_GENERIC_SEMBUF_H

 +#include <asm/bitsperlong.h>

  struct semid64_ds {
  	struct ipc64_perm sem_perm;
  	__kernel_time_t	sem_otime;
 +#if __BITS_PER_LONG != 64
  	unsigned long	__unused1;
 +#endif
  	__kernel_time_t	sem_ctime;
 +#if __BITS_PER_LONG != 64
  	unsigned long	__unused2;
 +#endif
  	unsigned long	sem_nsems;
  	unsigned long	__unused3;
  	unsigned long	__unused4;
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>

arch/cris/include/asm/Kbuild

@@ -32,6 +32,7 @@ generic-y += poll.h
 generic-y += preempt.h
 generic-y += resource.h
 generic-y += sections.h
+generic-y += sembuf.h
 generic-y += siginfo.h
 generic-y += sockios.h
 generic-y += statfs.h

arch/cris/include/uapi/asm/sembuf.h

-#ifndef _CRIS_SEMBUF_H
-#define _CRIS_SEMBUF_H
-
-/* 
- * The semid64_ds structure for CRIS architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 64-bit time_t to solve y2038 problem
- * - 2 miscellaneous 32-bit values
- */
-
-struct semid64_ds {
-	struct ipc64_perm sem_perm;		/* permissions .. see ipc.h */
-	__kernel_time_t	sem_otime;		/* last semop time */
-	unsigned long	__unused1;
-	__kernel_time_t	sem_ctime;		/* last change time */
-	unsigned long	__unused2;
-	unsigned long	sem_nsems;		/* no. of semaphores in array */
-	unsigned long	__unused3;
-	unsigned long	__unused4;
-};
-
-#endif /* _CRIS_SEMBUF_H */