bmpblk: Add roccochen to OWNERS file

BUG=none
TEST=none
BRANCH=none

Change-Id: I4af4b171ecb54fa91e68161104c28acdb577ccee
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/bmpblk/+/3039314
Tested-by: Yu-Ping Wu <yupingso@chromium.org>
Auto-Submit: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Yu-Ping Wu <yupingso@chromium.org>
diff --git a/OWNERS b/OWNERS
index b8a05d3..5928256 100644
--- a/OWNERS
+++ b/OWNERS
@@ -5,3 +5,4 @@
 dossym@chromium.org
 yupingso@chromium.org
 kitching@chromium.org
+roccochen@chromium.org