s4-common: mount firmware partitions

* Use radio and q6 firmware from on-device firmware partitions
* Allows different carriers to use the appropriate radio firmware

Change-Id: Ifec3671f164711e12204dbcde137eb648d9642b7
s4-common: turn screen on when unplugging

Change-Id: Id2aa374aa12dd3c49addcde73113bc4913de2f3e
s4-common: remove unused entries

Change-Id: If1d7b050e23ccbc42415e89763ecb22c301cfad1
s4-common: add widevine proprietary libs

Change-Id: I78d5d715da72b249759087bd95be8eb77b3b9d9f
s4-common: fix typo in Widevine lib name

Change-Id: Ie13174b22a13c274524262cd9b3c31b30bf9f28c
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1