use adreno rs driver
b2g: one more property for dsds

Flame needs this mobile data on seconds SIM. Put it here
just in case.
Fix GPE check on init

Many (or all) GPE devices do not use mmcblk0p36 for /data

thanks to Rhyn for spotting this

Change-Id: I55be45a08b7dfad23f7d3ab37ed40263634778a5
init: Use userdata by name to detect GPE

Change-Id: I563236c25b151a51522adc81b8498fdb8bd9b1f3