hlte: Squashed new hlte-gsm device tree commits

hlte: Re-organize tree to become GSM HLTE device tree
http://review.cyanogenmod.org/71845

hlte: Set system properties for GSM HLTE devices only
http://review.cyanogenmod.org/71846

hlte: Clean up copyright info, naming
http://review.cyanogenmod.org/71847

hlte: Inherit from hlte-common
http://review.cyanogenmod.org/71848

hlte: Move config to hlte-common
http://review.cyanogenmod.org/71849

hlte: Move system properties to hlte-common
http://review.cyanogenmod.org/71850

hlte: Update proprietary extraction scripts for hlte-common
http://review.cyanogenmod.org/71851

hlte: Move GPS, QMI, RIL libs to device-specific file
http://review.cyanogenmod.org/71852

hlte: Set up nested dependencies
http://review.cyanogenmod.org/72264

Change-Id: Ief421c6b96286e1ba839919fa1b7685c6a18053e