am 4038bbc4: am 09a00a67: Don\'t build update zip package if there is no kernel, or it\'s generic device.

Merge commit '4038bbc426776d8adc57d7c3c8123357b50b1615'

* commit '4038bbc426776d8adc57d7c3c8123357b50b1615':
  Don't build update zip package if there is no kernel, or it's generic device.