shamu: update prebuilt kernel

6a4a6a8 BACKPORT: pagemap: do not leak physical addresses to non-privileged userspace
4bb3f73 include/linux/poison.h: fix LIST_POISON{1,2} offset
08bf1b3 msm: null pointer dereferencing

Linux version 3.10.40-g6a4a6a8 (android-build@vpak25.mtv.corp.google.com)
(gcc version 4.8 (GCC) ) #1 SMP PREEMPT Thu Jan 14 00:15:32 UTC 2016

Bug: 25364034
Bug: 26038659
Bug: 26186802
Change-Id: I91fd5bd7d89d1046025fe9986156236be881629a
Signed-off-by: Yuan Lin <yualin@google.com>
diff --git a/zImage-dtb b/zImage-dtb
index 9f8964c..34a7682 100644
--- a/zImage-dtb
+++ b/zImage-dtb
Binary files differ