shamu: update prebuilt kernel

20735f4 net: wireless: bcmdhd fixed mismatched PCIe status

b/16300859 - pcieh 0000:01:00.0: Refused to change power state, currently in D3
Signed-off-by: Iliyan Malchev <malchev@google.com>

Change-Id: I59e2f975125dbaaed5f0d67da19f8f8b4c892250
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/zImage-dtb b/zImage-dtb
index 8ab222c..1db8876 100644
--- a/zImage-dtb
+++ b/zImage-dtb
Binary files differ