manifest: Move xcb/util before drivers in manifest
manifest: Move xcb/util before drivers in manifest

So the intel driver builds again.

chergert/gnome-continuous,GNOME/gnome-ostree,djdeath/gnome-ostree,vrutkovs/vrutkovs.github.io,vrutkovs/vrutkovs.github.io,GNOME/gnome-ostree,GNOME/gnome-ostree,djdeath/gnome-ostree,djdeath/gnome-ostree,chergert/gnome-continuous,vrutkovs/vrutkovs.github.io,chergert/gnome-continuous