ramips-rt305x: add D-Link DIR-615 H1

Fixes #1164

targets/ramips-rt305x

@@ -6,4 +6,12 @@ factory
 device vocore-16M vocore-16M
 factory
 
+
+# A5
+
 device a5-v11 a5-v11
+
+
+# D-Link
+
+device d-link-dir-615-h1 dir-615-h1