Added BoxeeBox lirc socket location to startup of xbmc.

BoxeeBox uses the lirc socket in /var/run/lirc/lircd, but xbmc expects it to be at /dev/lircd.
Because of this BoxeeBox can use the infrared receiver, but XBMC cannot connect to it.
The argument to xbmc.bin tells it to look for /var/run/lirc/lircd instead.