minigbm: Extend OWNERS

BUG=None
TEST=CQ

Change-Id: If57f5476fe701b4121aa5f211172b60d887fe307
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/3402433
Reviewed-by: Miguel Casas-Sanchez <mcasas@chromium.org>
Reviewed-by: Miguel Casas <mcasas@google.com>
Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>
Commit-Queue: Fei Shao <fshao@chromium.org>
Tested-by: Fei Shao <fshao@chromium.org>
diff --git a/OWNERS b/OWNERS
index 1facc15..892eb39 100644
--- a/OWNERS
+++ b/OWNERS
@@ -5,6 +5,7 @@
 hiroh@chromium.org
 hoegsberg@chromium.org
 marcheu@chromium.org
+mcasas@chromium.org
 olv@google.com
 robdclark@chromium.org
 stevensd@chromium.org
@@ -14,7 +15,7 @@
 # just reference for backend specific reviews
 per-file amdgpu.c = basni@chromium.org, ddavenport@chromium.org
 per-file i915.c = chadversary@chromium.org, hoegsberg@chromium.org
-per-file mediatek.c = fshao@chromium.org, tzungbi@chromium.org
+per-file mediatek.c = fshao@chromium.org, hsinyi@chromium.org, tzungbi@chromium.org
 per-file msm.c = robdclark@chromium.org, hoegsberg@chromium.org
 per-file rockchip.c = tfiga@chromium.org
 per-file virtgpu* = jbates@chromium.org, natsu@google.com, olv@google.com, zzyiwei@chromium.org