[MIPS] Wire up getcpu(2) and epoll_wait(2) syscalls.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/scall64-o32.S

@@ -517,4 +517,6 @@ sys_call_table:
 	PTR	compat_sys_set_robust_list
 	PTR	compat_sys_get_robust_list	/* 4310 */
 	PTR	sys_ni_syscall
+	PTR	sys_getcpu
+	PTR	sys_epoll_pwait
 	.size	sys_call_table,.-sys_call_table