grouper: update prebuilt kernel

d69f7af ASoC: codecs: rt5640: add audio dock support.
314fb40 Add dock in detect function.
e67a801 USB: gadget: f_audio_source: Fix error handling and increase
packet size

Change-Id: I45471f57aea52d1bfadfa169cf233b0a9fe1e23d
diff --git a/kernel b/kernel
index 2936b23..d1a340c 100644
--- a/kernel
+++ b/kernel
Binary files differ