V4L/DVB (5635): Budget-av: convert philips sd1878 / tda8261 to use dvb-pll

removed philips_sd1878_tda8261_tuner_set_params, using dvb_pll_attach, instead.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>