V4L/DVB (4765): Dvb-usb/vp7045.c patch for extra key

Add support for more keys on the remote control included with the
DigitalNow tinyUSB2 DVB-T Receiver.

Signed-off-by: Luke Deller <luke@deller.id.au>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>