shamu: update prebuilt kernel

557ba38 net: wireless: bcmdhd: Protect sched_scan_req ptr
24a3715 net: wireless: bcmdhd: Send results from all PNO scans

Bug: 25394415

Linux version 3.10.40-g557ba38 (android-build@wpiv5.hot.corp.google.com)
(gcc version 4.8 (GCC) ) #1 SMP PREEMPT Wed Nov 4 00:29:43 UTC 2015

Change-Id: I04470a326eb4ec1e99f75a27cfa73208551c05c7
Signed-off-by: Patrick Tjin <pattjin@google.com>
diff --git a/zImage-dtb b/zImage-dtb
index cf32d7d..ce70435 100644
--- a/zImage-dtb
+++ b/zImage-dtb
Binary files differ