shamu: update prebuilt kernel am: 1d6d1850c7
am: 7e96bfdfe3

Change-Id: I554c3dbc063638b4825e5950b596c8a98e8287ed
tree: e1d9eb4460ea98e8e73b5fa1a20c6bae3b0a5a5e
  1. zImage-dtb