smdk4412-common: build ExynosHWCService and ExynosIPService

Required for Binary HWComposer

Change-Id: Ida3a12a7a8a6060bca6909c61454919b42d17bd9
smdk4412-common: enable HDMI support and update flags for HWC

Change-Id: Iad10a8e8fae952b4c40ccaf6f6b03aac48199d17
smdk4412-common: use prebuilt HWComposer

Change-Id: Iac77bdb0f60c4f5252b9d32e1d238b51f5ecd6a9
smdk4412-common: default to awesomeplayer

Change-Id: I88b517f2015fcca47889895da6b3c11c8c6596f3
fix permission denied when wpa_supplicant opens rfkill dev.

Change-Id: Id117918407c723e340dcbe377d31957be07459e5