hammerhead: Update prebuilt kernel

ceba888 arm/dt: hammerhead: Add the device tree for Rev.B (Alternative)
7d193c2 arm/dt: hammerhead: Add the device tree for Rev.B

Change-Id: I7bc183676681356cfb2588c87434295963061947
diff --git a/zImage-dtb b/zImage-dtb
index 161f207..b46d7e9 100644
--- a/zImage-dtb
+++ b/zImage-dtb
Binary files differ