hlte: remove network_mode.xml overlay

Change-Id: I2807eaa6865f07c80824990500441c708e523cec
Merge "hlte: remove network_mode.xml overlay" into cm-11.0
hlte: Mount firmware partitions as drmrpc group

 * This will fix the firmware loader issues.

Change-Id: Id3444bfe81e2a61e5db6df319ccc3669e803ce23
Merge remote-tracking branch 'upstream/cm-11.0' into HEAD