HID: roccat: cleaned up code for Kone and fixed wrong initialization value

Introduced function kone_profile_activated() to reduce code duplication.
This by the way fixes a wrong initialization value.
Also fixes early mutex unlocks.

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