[PATCH] S390: Fix sem.h conformance test failures.

[Torvald Riegel]

On Tue, 2015-07-07 at 12:31 +0200, Stefan Liebler wrote:
> This patch changes the s390 specific sem.h and includes sys/types.h 
> instead of bits/types.h. All other archs include sys/types.h, too.
> Including bits/wordsize.h is obselete, because it is already inlcuded in 
> sys/types.h -> bits/types.h.

LGTM.