[media] cx23885: fix querycap
[media] cx23885: fix querycap

cap->device_caps wasn't set in cx23885-417.c causing a warning from
the v4l2-core.

Reported-by: Joseph Jasi <16b98c9c799feb6a408b589ced717a2d406d7d95@gmail.com>
Signed-off-by: Hans Verkuil <3a513708f73c27e7d36ebc496aa41dad6a3153ea@cisco.com>
Cc: <4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org>      # for v3.19 and up
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@osg.samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs