minigbm: tighten the OWNERS file

BUG=b:199902066
TEST=CQ

Change-Id: I8e8b3bc6d196ff21ee9507d5991498d7096d8ed2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/3195653
Reviewed-by: Chia-I Wu <olv@google.com>
Reviewed-by: Jason Macnak <natsu@google.com>
Reviewed-by: Drew Davenport <ddavenport@chromium.org>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Commit-Queue: Yiwei Zhang <zzyiwei@chromium.org>
Tested-by: Yiwei Zhang <zzyiwei@chromium.org>
2 files changed