hammerhead: update prebuilt kernel

a3cf24e arm/dt: hammerhead: set power down vbatt level to 3.05V
7733e76 power: max17048: power down if the battery voltage is too low
3211f80 POWER: Add an API call to log wake wakeup reason
3010045 POWER: fix compile warnings in log_wakeup_reason

Bug: 11152174
Bug: 12548675
Change-Id: I045a7a13bfc39097dc1fc32c4d29ca9043fc549d
diff --git a/vmlinux.bz2 b/vmlinux.bz2
index 6d481c6..4de8504 100644
--- a/vmlinux.bz2
+++ b/vmlinux.bz2
Binary files differ
diff --git a/zImage-dtb b/zImage-dtb
index ec7a143..dc589e7 100644
--- a/zImage-dtb
+++ b/zImage-dtb
Binary files differ