HID: roccat: Only one Kconfig entry for all roccat drivers

To cleanup Kconfig space and ease selection for users there is now
a single entry that selects all roccat related drivers at once.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>