[PATCH] dvb: tda1004x: pll communication fixes

- leave I2C bridge open at pll_sleep to support Philips EUROPA based cards.
- give an error message if the communication with the pll fails.

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>