microblaze: Remove rt_sigsuspend wrapper

Generic rt_sigsuspend syscalls doesn't need any asm wrapper.

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 4e666d9..4088be7 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -183,7 +183,7 @@
 	.long sys_rt_sigpending
 	.long sys_rt_sigtimedwait
 	.long sys_rt_sigqueueinfo
-	.long sys_rt_sigsuspend_wrapper
+	.long sys_rt_sigsuspend
 	.long sys_pread64		/* 180 */
 	.long sys_pwrite64
 	.long sys_chown