[owners] Add OWNERs files to iperf

Bug: 77800
Change-Id: Icafcd08ba063877fcbcdf0251638dc5e4a586c8e
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/iperf/+/536925
Reviewed-by: Toshi Kikuchi <toshik@google.com>
Reviewed-by: Tamir Duberstein <tamird@google.com>
Reviewed-by: Mithun Iyer <iyerm@google.com>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..e6fa898
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,3 @@
+iyerm@google.com
+tamird@google.com
+toshik@google.com