arm64: compat: Wire up new AArch32 syscalls

This patch enables sys_compat, sys_finit_module, sys_sched_setattr and
sys_sched_getattr for compat (AArch32) applications.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Git-commit: 6290b53de025dd08a79257ee84173ef7b6d926f7
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Ian Maund <imaund@codeaurora.org>