gitlab-ci: Enable more Gallium drivers in meson-i386 job

These are the ones which can be enabled with the current x86_build
docker image and which build without warnings.

Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Tested-by: Marge Bot <mesa/mesa!4166>
Part-of: <mesa/mesa!4166>
46 jobs for !4166 with gitlab-ci-i386-more-drivers in 18 minutes and 23 seconds (queued for 12 seconds)
merge request