[packages] pulseaudio update to v4.0

remove udev dependency, to use the first soundcard without udev, comment 
load-module module-detect
and add 
load-module module-alsa-sink device=hw:0 
to system.pa

Signed-off-by: Peter Wagner <tripolar@gmx.at>



git-svn-id: svn://svn.openwrt.org/openwrt/packages@37144 3c298f89-4303-0410-b956-a3cf2f4a3e73