Devicetree
overlay: move omnigears to common overlay

also, remove unused overlay

Change-Id: I753f03eb0c077834dffda6422f5014bf8bf7fb6e
Signed-off-by: Humberto Borba <humberos@gmail.com>
Merge pull request #1 from TheWolf91/android-4.4

Galaxysmtd tree