V4L/DVB (7441): kconfig fixes for tuner-simple

Update Kconfig for the hybrid devices recently converted
to use tuner-simple rather than dvb-pll.

dvb-bt8xx no longer uses dvb-pll at all, so remove all
references to dvb-pll within that driver.

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