net: lan966x: Add define for number of priority queues NUM_PRIO_QUEUES

Add a define for the number of priority queues on lan966x. Because there
will be more checks for this, so instead of using hardcoded value all
over the place add a define for this.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/microchip/lan966x/lan966x_main.c

@@ -738,7 +738,8 @@ static int lan966x_probe_port(struct lan966x *lan966x, u32 p,
 		return -EINVAL;
 
 	dev = devm_alloc_etherdev_mqs(lan966x->dev,
-				      sizeof(struct lan966x_port), 8, 1);
+				      sizeof(struct lan966x_port),
+				      NUM_PRIO_QUEUES, 1);
 	if (!dev)
 		return -ENOMEM;
 

drivers/net/ethernet/microchip/lan966x/lan966x_main.h

@@ -36,6 +36,7 @@
 
 #define NUM_PHYS_PORTS			8
 #define CPU_PORT			8
+#define NUM_PRIO_QUEUES			8
 
 /* Reserved PGIDs */
 #define PGID_CPU			(PGID_AGGR - 6)