V4L/DVB (6843): tda9887: use printk macros from tuner-i2c.h

replace tda9887_info and tda9887_dbg printk macros with
tuner_info and tuner_dbg, defined in tuner-i2c.h

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