[media] si2168: advertise Si2168 A30 firmware

Driver uses that new firmware too, so advertise it.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Tested-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>