[MIPS] Wire up new syscalls.

signalfd4, eventfd2, epoll_create1, dup3, pipe2 and inotify_init1.

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

arch/mips/kernel/scall32-o32.S

@@ -647,6 +647,12 @@ einval:	li	v0, -EINVAL
 	sys	sys_timerfd_create	2
 	sys	sys_timerfd_gettime	2
 	sys	sys_timerfd_settime	4
+	sys	sys_signalfd4		4
+	sys	sys_eventfd2		2	/* 4325 */
+	sys	sys_epoll_create1	1
+	sys	sys_dup3		3
+	sys	sys_pipe2		2
+	sys	sys_inotify_init1	1
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to