SMDK4412: Remove redundant flags

Change-Id: Ie7a8372b3ca923c7aca2ace694ef418ed2468b7e
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Add audio.r_submix.default for casting

Change-Id: Ia4c0022881b1850d85459a7117e71b8048a0a55b
Merge branch 'kk4.4' of https://github.com/SlimRoms/device_samsung_smdk4412-common into kk4.4