smdk4412: Enable camera message management

 * Fixes the deadlocks seen with back-to-back shots

Change-Id: I539b2618187fa4598556359f9dbce61f729cd909
Revert "Revert "smdk4412-common: camera: include support for face detection""

Re-adding back face detection to verify camera stabilty

This reverts commit 5a61a5113da4b1d49e70db140d4b8f60fbad5f19.

Change-Id: I0d3ded4dcc63d0328abf74f0baf4a59860bb6dac
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>