s390/compat: convert to COMPAT_SYSCALL_DEFINEx part 1

Convert s390 specific system calls to to the new COMPAT_SYSCALL_DEFINE macro.
This allows us to get rid of the assembly compat wrappers.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

diff --cc arch/s390/kernel/compat_linux.c
Simple merge

diff --cc arch/s390/kernel/compat_linux.h
Simple merge

diff --cc arch/s390/kernel/compat_wrapper.S
Simple merge

diff --cc arch/s390/kernel/syscalls.S
Simple merge