[media] tda18271: update tda18271c2_rf_cal as per NXP's rev.04 datasheet

Cc: Stefan Sibiga <stefansibiga@yahoo.ca>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>