smdk4412: remove DeviceSettings

Change-Id: I9f878ee4e5a0b030d792bb52405ca2d606fe7afe
(cherry picked from commit 006c95d4f0c75b9bdf3827856dc694d973464520)
smdk4412: hardware tunables: vibrator support

Change-Id: I3a691dc97c3b75012f4a31e92abeec08f0cf0ce4
(cherry picked from commit a7af906ca79a886b863bb0c419b9f9ee2745682e)