find7: shrink the kernel

* Remove genlock support
* Remove unused governors
* Compile BT, CFG80211, NFC, TUN, XPAD, SLED,
  Touchscren, Power Supply, QSEECOM, Coresight, CQE Crypto (Dev) as
modules

Change-Id: I904a3ac453a65aac35775a59c50696573012e7a7