staging/lustre: remove HIPQUAD

Stephen Rothwell reported below error on powerpc:

In file included from drivers/staging/lustre/include/linux/libcfs/libcfs.h:203:0,
                 from drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h:67,
                 from drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c:41:
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c: In function 'kiblnd_dev_need_failover':
drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h:215:16: error: implicit declaration of function 'NIPQUAD' [-Werror=implicit-function-declaration]
  static struct libcfs_debug_msg_data msgdata;      \
                ^
We should just remove HIPQUAD and replace it with %pI4h.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>