shamu: update prebuilt kernel -- DO NOT MERGE

b2ab3cc ion: Add missing unlock on error path

b/18000836 Shamu locked up running Netflix stress
Signed-off-by: Iliyan Malchev <malchev@google.com>

Change-Id: Ib4f2f79ab59d01c2d38055af3d8a8dd98e535999
diff --git a/zImage-dtb b/zImage-dtb
index 755cd0f..02a1ee6 100644
--- a/zImage-dtb
+++ b/zImage-dtb
Binary files differ