net: dsa: mv88e6131: use EDSA tag protocol

6131 is the only driver to set the tag protocol to DSA_TAG_PROTO_DSA.
Since it works fine with DSA_TAG_PROTO_EDSA, change its value, like all
other mv88e6xxx drivers.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/Kconfig

@@ -17,7 +17,7 @@ config NET_DSA_MV88E6131
 	tristate "Marvell 88E6085/6095/6095F/6131 ethernet switch chip support"
 	depends on NET_DSA
 	select NET_DSA_MV88E6XXX
-	select NET_DSA_TAG_DSA
+	select NET_DSA_TAG_EDSA
 	---help---
 	  This enables support for the Marvell 88E6085/6095/6095F/6131
 	  ethernet switch chips.

drivers/net/dsa/mv88e6131.c

@@ -59,7 +59,7 @@ static const char *mv88e6131_drv_probe(struct device *dsa_dev,
 }
 
 struct dsa_switch_driver mv88e6131_switch_driver = {
-	.tag_protocol		= DSA_TAG_PROTO_DSA,
+	.tag_protocol		= DSA_TAG_PROTO_EDSA,
 	.probe			= mv88e6131_drv_probe,
 	.setup			= mv88e6xxx_setup,
 	.set_addr		= mv88e6xxx_set_addr,