Reduce scope of VS-DP mapping table
Reduce scope of VS-DP mapping table

Signed-off-by: Joe Stringer <16a9a54ddf4259952e3c118c763138e83693d7fd@wand.net.nz>

joestringer/ryu-rfproxy,KitL/ryu-rfproxy,trungdtbk/ryu-rfproxy