skyrocket: Clean up Samsung device inheritance

* Remove init.qcom.usb.sh
* Move torch package up to msm8660-common
* Move common items from device to celox-common
* Use nested cm.dependencies
* Move common system properties to celox-common, msm8660-common

Change-Id: Ifb0a1457032c8a87dbddb3c10f7ce2543ffbf714
Merge branch 'cm-11.0' into kk_mkt

Conflicts:
	BoardConfig.mk
	mk.dependencies

Change-Id: I2d508a24489a5e99c720bc4146308d854fd24829