i9082: update Wi-Fi config

- add wpa_supplicant_overlay
- removed unneeded legacy compat

Change-Id: I6d9aef464d390584563c63df6ed585faf6df49ed
SamsungBCMRIL: fix manual network search

4.2.2 RIL adds more QAN Elements

Change-Id: I4c56ffb6cd69af18fa18a2541b86d79f46a8106b
i9082: enable Torch Quick Settings tile

Change-Id: I0625092d8ddb22d03bd03b10120e901580f79970
i9082: enable ISO settings in Camera

Change-Id: I28cb36b5d68b9c7f9851d89ab50506b389773454
i9082: set scheduler to cfq on boot complete

Samsung set the scheduler to noop during boot for performance reason.
We need to reset it to cfq after boot is complete (cfq should be
used during normal operation because it respects ionice).

Change-Id: If855a09e1c372e73df69aa71415be44882400c31
i9082: remove broadcom audio codec blobs

They're software-based, currently not used (due to a bug) and not
needed since Google's version works fine.

Change-Id: I150e2f9a1aea479c7f0a975858d527c50481260b
i9082: fix call MUTE

SET_MUTE needs to be routed through AudioManager

Change-Id: Ib22b71d64ea485ab5e39beda744f4f214dd5a5e3
i9082: display correct serial number

The sticker serial number is stored in ril.serialnumber

Note: the CMHW class has not been accepted into CM at the time of
this commit

Change-Id: I3ddb096ca964c6ad50197334222d144be577987d