wpa_supplicant: Add OWNERS file

Change-Id: I7ac4d534a1a98d320913a93114d68c1829666f47
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..6542bef
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,3 @@
+dimitrysh@google.com
+etancohen@google.com
+rpius@google.com