HVR950Q fixes

[mkrufky at linuxtv.org]

Please merge the patches in the following two bug reports into LUM:

HVR950Q channel scan takes a very long time to complete
https://bugs.edge.launchpad.net/ubuntu/+source/linux-ubuntu-modules-2.6.24/+
bug/241981
http://linuxtv.org/~mkrufky/lum/au8522-prevent-false-positive-lock-status.pa
tch

HVR950Q takes too long to lock on the first tune
https://bugs.edge.launchpad.net/ubuntu/+source/linux-ubuntu-modules-2.6.24/+
bug/242169
http://linuxtv.org/~mkrufky/lum/xc5000-firmware-loading-optimizations-lum.pa
tch

Regards,

Mike Krufky