Merge "enable bootctrol for db845c build" am: bae1b814cd am: 7a5c12d114 am: c073bccbb7

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/1469002

Change-Id: I8db4aaad5f7d47162d7e3c20a80bbd705fc16e0a