hammerhead: update prebuilt kernel

42fe48d net: wireless: bcmdhd: Added wake dump counters
9f27dc0 wakeup_reason: use vsnprintf instead of snprintf for vargs.

Bug 22776056
Bug 22368519

Change-Id: I772c23f8a3ad73cb9e227aa01ff17e25e89f19ad
1 file changed
tree: 7888b4b1925700747ecd04e4aa8e0e45671d073f
  1. zImage-dtb