Revert "bullhead: update prebuilt kernel"

This reverts commit 1e15e1e769d6f056c0e1b6bfa524bfd1af669f4b.

Bug: 26084626
Change-Id: I04271af8a7fc6538cc3170ab02453d3f16d7632f
diff --git a/Image.gz-dtb b/Image.gz-dtb
index 2ab1e81..616bc9e 100644
--- a/Image.gz-dtb
+++ b/Image.gz-dtb
Binary files differ