net: dsa: mv88e6xxx: prefix Port Association Vector macros

For implicit namespacing and clarity, prefix the common Port Association
Vector Register macros with MV88E6XXX_PORT_ASSOC_VECTOR.

Document the register and prefer ordered hex masks values for all
Marvell 16-bit registers.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 8146c94..e04e780 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1892,7 +1892,8 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
 	if (dsa_is_cpu_port(ds, port))
 		reg = 0;
 
-	err = mv88e6xxx_port_write(chip, port, PORT_ASSOC_VECTOR, reg);
+	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
+				   reg);
 	if (err)
 		return err;