sepolicy: add permissions for i2c-6 device

Add audio_device permission for i2c-6 device.

Change-Id: I43af04bd32057969662b5726ff792fead2ff2a77
Reviewed-on: http://review.blissroms.com/3847
Reviewed-by: Vaughn N <rwaterspf1@floydco.net>
Reviewed-by: blueyes <brian.w.petroski@gmail.com>
Tested-by: blueyes <brian.w.petroski@gmail.com>
1 file changed