freedreno/ci: fix the stage of the a750 jobs
We were accidentally overriding the job stage in .b2c-freedreno-vk-test,
which ended up moving the a750 jobs to the freedreno
stage instead of
freedreno-postmerge
.
Fixes: 25c70888 ("ci/broadcom: Move manual/nightly jobs to postmerge stage") Signed-off-by: Martin Roukala (né Peres) martin.roukala@mupuf.org