Update bionic kernel headers using update_all.py

Change-Id: I9c377436e9bf158e7236b3b7dcebf3e79fa961de
diff --git a/libc/kernel/common/linux/spinlock_up.h b/libc/kernel/common/linux/spinlock_up.h
index b4958dc..1b0294b 100644
--- a/libc/kernel/common/linux/spinlock_up.h
+++ b/libc/kernel/common/linux/spinlock_up.h
@@ -7,24 +7,28 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef __LINUX_SPINLOCK_UP_H
 #define __LINUX_SPINLOCK_UP_H
-
 #ifndef __LINUX_SPINLOCK_H
 #error "please don't include this file directly"
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #define __raw_spin_is_locked(lock) ((void)(lock), 0)
-
 #define __raw_spin_lock(lock) do { (void)(lock); } while (0)
 #define __raw_spin_unlock(lock) do { (void)(lock); } while (0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __raw_spin_trylock(lock) ({ (void)(lock); 1; })
-
 #define __raw_read_can_lock(lock) (((void)(lock), 1))
 #define __raw_write_can_lock(lock) (((void)(lock), 1))
-
 #define __raw_spin_unlock_wait(lock)   do { cpu_relax(); } while (__raw_spin_is_locked(lock))
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif