Make mips/mips64 syscall stubs more like the other architectures.

Change-Id: I55f8c1a95f643a6e484f12fbcc25e2c77e55b6b8
diff --git a/libc/arch-mips64/syscalls/sched_setaffinity.S b/libc/arch-mips64/syscalls/sched_setaffinity.S
index 35bfb30..e604863 100644
--- a/libc/arch-mips64/syscalls/sched_setaffinity.S
+++ b/libc/arch-mips64/syscalls/sched_setaffinity.S
@@ -1,14 +1,8 @@
 /* Generated by gensyscalls.py. Do not edit. */
 
-#include <asm/unistd.h>
-#include <machine/asm.h>
-#include <machine/regdef.h>
-    .text
-    .globl sched_setaffinity
-    .align 4
-    .ent sched_setaffinity
+#include <private/bionic_asm.h>
 
-sched_setaffinity:
+ENTRY(sched_setaffinity)
     .set push
     .set noreorder
     li v0, __NR_sched_setaffinity
@@ -28,4 +22,4 @@
     j t9
     move ra, t0
     .set pop
-    .end sched_setaffinity
+END(sched_setaffinity)