hlte: Mount firmware partitions as drmrpc group

 * This will fix the firmware loader issues.

Change-Id: Id3444bfe81e2a61e5db6df319ccc3669e803ce23
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_hlte into cm-11.0
Merge remote-tracking branch 'temasek/cm-11.0' into temp