Update to v4.17.3 kernel headers.

Test: Builds, boots on a walleye.
Change-Id: I389d8b61ec00ea309e38d1b1a2e0dace48c21edb
diff --git a/libc/kernel/uapi/sound/snd_sst_tokens.h b/libc/kernel/uapi/sound/snd_sst_tokens.h
index a4cfdd5..85a99c7 100644
--- a/libc/kernel/uapi/sound/snd_sst_tokens.h
+++ b/libc/kernel/uapi/sound/snd_sst_tokens.h
@@ -93,6 +93,10 @@
   SKL_TKN_MM_U32_FMT_ID,
   SKL_TKN_MM_U32_NUM_IN_FMT,
   SKL_TKN_MM_U32_NUM_OUT_FMT,
-  SKL_TKN_MAX = SKL_TKN_MM_U32_NUM_OUT_FMT,
+  SKL_TKN_U32_ASTATE_IDX,
+  SKL_TKN_U32_ASTATE_COUNT,
+  SKL_TKN_U32_ASTATE_KCPS,
+  SKL_TKN_U32_ASTATE_CLK_SRC,
+  SKL_TKN_MAX = SKL_TKN_U32_ASTATE_CLK_SRC,
 };
 #endif