V4L/DVB: Added support for LeadTek DVB-T USB clone

Adding the USB ids for the LeadTek clone of the STK3000P-ref-design.

Signed-off-by: Olivier DANET <odanet@caramail.com>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>