Update to kernel headers v4.12.3.

Test: Built angler.
Change-Id: Icbcf4fac2334de8409b049ed7a3b4c24b4e98ce9
diff --git a/libc/kernel/uapi/sound/asound.h b/libc/kernel/uapi/sound/asound.h
index 8466ea1..e3041ce 100644
--- a/libc/kernel/uapi/sound/asound.h
+++ b/libc/kernel/uapi/sound/asound.h
@@ -69,7 +69,9 @@
   SNDRV_HWDEP_IFACE_FW_DIGI00X,
   SNDRV_HWDEP_IFACE_FW_TASCAM,
   SNDRV_HWDEP_IFACE_LINE6,
-  SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_LINE6
+  SNDRV_HWDEP_IFACE_FW_MOTU,
+  SNDRV_HWDEP_IFACE_FW_FIREFACE,
+  SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE
 };
 struct snd_hwdep_info {
   unsigned int device;