[MIPS] Rename MIPS sys_pipe syscall entry point to something MIPS-specific.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index dc597b6..2b73fd1 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -219,7 +219,7 @@
 	PTR	sys_readv
 	PTR	sys_writev
 	PTR	sys_access			/* 5020 */
-	PTR	sys_pipe
+	PTR	sysm_pipe
 	PTR	sys_select
 	PTR	sys_sched_yield
 	PTR	sys_mremap