[media] radio-si470x: Lower firmware version requirements

With the changes from the previous patches device firmware version 14 +
usb microcontroller software version 1 works fine too.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2 files changed