Update to kernel headers v4.8.14.

Test: Built mips/arm/arm64/x86/x86_64. Built and booted angler.
Change-Id: Icedb035769d8a41a170a6f1ecd707113e332d8dd
diff --git a/libc/kernel/uapi/linux/serio.h b/libc/kernel/uapi/linux/serio.h
index a956d96..ddd45c4 100644
--- a/libc/kernel/uapi/linux/serio.h
+++ b/libc/kernel/uapi/linux/serio.h
@@ -87,4 +87,5 @@
 #define SERIO_WACOM_IV 0x3e
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SERIO_EGALAX 0x3f
+#define SERIO_PULSE8_CEC 0x40
 #endif