libevdev: add it to the moonbase.
xf86-input-evdev: version bumped to 2.9.0.

It needs libevdev from now.
xf86-input-synaptics: version bumped to 1.8.0.

It needs libevdev from now.
xf86-input-evdev: add a needed DEPENDS file.
Merge pull request #293 from Florin65/driver

Driver