s390/compat: get rid of compat wrapper assembly code

Now that all compat syscalls have been converted to use the
COMPAT_SYSCALL_DEFINE macros, we don't need to compat syscall
wrapper assembly code anymore.
So remove it and fix up the system call table accordingly.

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

diff --cc arch/s390/kernel/Makefile
Simple merge

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

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

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

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

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

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