V4L/DVB (3260): Using new firmware for the WideView Stick

- A new firmware fixes VHF tuning issues. This changes the firmware file name in the driver.

Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>