xbmc: depends on pciutils (lspci)

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xorg-server: dont depends on pciutils anymore

Signed-off-by: Stephan Raue <stephan@openelec.tv>
pciutils: only build and install on supported platforms

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