ci: workaround for building xf86-video-intel via autotools

This driver's meson build scripts are currently broken, but autotools
still works fine. So add a little workaround for forcing it to be built
via autotools, even if meson.build file is there.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

.gitlab-ci.yml

@@ -278,7 +278,7 @@ xf86-driver-build-test:
         - git clone "$REPO" "$DRIVER"
         - git -C "$DRIVER" checkout "$SHA"
         - |
-          if [[ -e "$DRIVER/meson.build" ]]; then
+          if [[ -e "$DRIVER/meson.build" ]] && [[ "$DRIVER" != "xf86-video-intel" ]]; then
             .gitlab-ci/meson-build.sh -C "$DRIVER" --skip-test
           else
              pushd "$DRIVER" || exit 1