alsa-utils: try improve soundconfig

pass card num via udev. no need to loop thru all. needs testing
projects/RPi/patches/xbmc: fix RPi support patch

Signed-off-by: Stephan Raue <stephan@openelec.tv>
wireless-regdb: update to wireless-regdb-2014.05.19

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/RPi/patches/linux: update RPi support patch

Signed-off-by: Stephan Raue <stephan@openelec.tv>