V4L/DVB (7135): remove PREFIX from users of tuner_foo printk macros

Store a pointer to the device name in the name field of
struct tuner_i2c_props, so that we can remove the
printk macros defined in tuner-i2c.h

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