worldphone: Merge Sprint CDMA stuff from xt897c

Change-Id: I04040e661a08b48f16b49ba5005b40e8eda40493
Add alternate optional key maps for Photon Q keyboard

- moved to separate package from the now obsolete device parts package

Change-Id: Ic180116242543cb0f535341faae665651d411f86
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2