bullhead: update prebuilt kernel [DO NOT MERGE]

    6298b64 msm: msm_bus: remove the buspm module from kernel
    fe89f19 pipe: iovec: Fix memory corruption when retrying atomic copy as non-atomic
    638a774 Keep history after reset back to 0c4d538

    Bug: 26354602
    Bug: 27275324

    Linux version 3.10.73-g6298b64 (android-build@vped8.mtv.corp.google.com)
    (gcc version 4.9.x-google 20140827 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Mar 25 07:43:46 UTC 2016

Change-Id: I0e009d951b95fd9b1f6c032fe284772e689c097f
Signed-off-by: Yuan Lin <yualin@google.com>
diff --git a/Image.gz-dtb b/Image.gz-dtb
index 1268c73..c9a3c31 100644
--- a/Image.gz-dtb
+++ b/Image.gz-dtb
Binary files differ