tpm2: Update OWNERS file

BUG=None
TEST=None

Change-Id: If56041d749d065d7881ef1b91538a54b6cdb507f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/tpm2/+/4627617
Commit-Queue: Andrey Pronin <apronin@chromium.org>
Tested-by: Andrey Pronin <apronin@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
diff --git a/OWNERS b/OWNERS
index 0155e33..e8ebfae 100644
--- a/OWNERS
+++ b/OWNERS
@@ -3,4 +3,4 @@
 vbendeb@chromium.org
 
 # For tpm2 simulator project.
-cylai@chromium.org
+yich@google.com