Basically Windows build is failing when hitting unix contants in
cgroups.
[NO NEW TESTS ADDED] Just shifting code around.
Added build-cross to cirrus tests, which looks like it was not being
run.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
at the moment the cgroups package is used only by Podman and by CRI-O
(that is already vendoring libpod). So let's simplify and not have a
duplicate here.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>