broadcom: Add OWNERS file

This CL is populating OWNERS file based on the candidates in the Chrome OS OWNERS status sheet.

BUG=b:132095048
TEST=None

Change-Id: I7e223bf58f33b9857c48913e44d966782e7d38cf
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/broadcom/+/1682689
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..67d1959
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+kirtika@chromium.org
+benchan@chromium.org