p769: use LM3530 LCD Backlight

Change-Id: Ide51982368a9d8beb193f1f1c2a9916159916b00
p769: use device specific vendor blobs

Change-Id: I55ed971e16eb8cc93a1a6edfc588a6233796b7bb
bluetooth: enable Bluetooth LE

Change-Id: I435e4a5b0121690bd6c5cfa01ef44a5dfd2fda99