Smdk4412: Re-add I777 audio hack

  * I777 microphone configuration is swapped compared to I9100
  * It was reverted in the update sound soc and codecs from i9305 drop

Change-Id: Id9260effeb28e383b4a31e76d36a7ccf4b4ef832
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>