Found with make headers_check

/usr/include/linux/pps.h:52: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: NDave Jones <davej@redhat.com>
Cc: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>