Revert "FP2-18: enable virtual key(BACK/HOME/MENU)"

This reverts commit 700202381c20ff63224227776c082fb27e151420.

Don't configure the framework directly, use overlays in the device
tree instead.

FPIIM-788, FPIIM-313

Change-Id: I536e49aa173d6c7f66c5ba342bcec847ae6399c0
1 file changed