hammerhead: update prebuilt kernel
automerge: 233ee57  -s ours

* commit '233ee57b6e6ee6b85290251db6a2a8ad0d676c63':
  hammerhead: update prebuilt kernel
diff --git a/zImage-dtb b/zImage-dtb
index be91bfc..4705d07 100755
--- a/zImage-dtb
+++ b/zImage-dtb
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