While MRs to fix Mac build are in the process of being reviewed and
merged upstream, hold xts at old master revision to avoid build
failures. Once/if all upstream MRs are accepted, could revert this back
to track master, or bump to a newer revision.
Signed-off-by: Mike Gelfand <mikedld@mikedld.com>
Add a github workflow that builds the Xservers on Linux and also
runs build-test of several common drivers against xorg sdk.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>