HID: cp2112: add HIDRAW dependency

Otherwise, with HIDRAW=n, the probe function crashes because of null
dereference of hdev->hidraw.

Cc: stable@vger.kernel.org
Fixes: 42cb6b35

 ("HID: cp2112: use proper hidraw name with minor number")
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>