audit: log 32-bit socketcalls

audit: log 32-bit socketcalls

32-bit socketcalls were not being logged by audit on x86_64 systems.
Log them.  This is basically a duplicate of the call from
net/socket.c:sys_socketcall(), but it addresses the impedance mismatch
between 32-bit userspace process and 64-bit kernel audit.

See: https://github.com/linux-audit/audit-kernel/issues/14

Signed-off-by: Richard Guy Briggs <[email protected]>
Acked-by: David S. Miller <[email protected]>
Signed-off-by: Paul Moore <[email protected]>