klte-common: move NFC HAL to device specific trees

* With the introduction of Android 5.0 the NFC HAL name is based on the
chipset it is using. Thus move this up a repo and define in the device
specific repos.

Change-Id: Ibcf7a77b8bf965ac8c4ca3306036186131e83d9a
(cherry picked from commit 896574bedf866f5e428bf4c57c6bc5cb0168657c)
klte-common: add back support for hardware keys

Change-Id: Id30f8f3ed2576c602fe904699d40d72ef97e2e3a
(cherry picked from commit bce9aee544c5c20bb0b863e465f8c6bbfe0837b4)