net/mlx5: Fix irq affinity management

The cited patch deny the user of changing the affinity of mlx5 irqs,
which break backward compatibility.
Hence, allow the user to change the affinity of mlx5 irqs.

Fixes: bbac70c ("net/mlx5: Use newer affinity descriptor")
Signed-off-by: Shay Drory <[email protected]>
Reviewed-by: Eli Cohen <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>

Orabug: 35383105

(cherry picked from commit ef8c063)
cherry-pick-repo=kernel/git/torvalds/linux.git
unmodified-from-upstream: ef8c063

Signed-off-by: Mikhael Goikhman <[email protected]>
Signed-off-by: Qing Huang <[email protected]>
Reviewed-by: Devesh Sharma <[email protected]>
Signed-off-by: Brian Maly <[email protected]>

Author: shayshyi

drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c

@@ -574,7 +574,7 @@ int mlx5_irqs_request_vectors(struct mlx5_core_dev *dev, u16 *cpus, int nirqs,
 	struct mlx5_irq *irq;
 	int i;
 
-	af_desc.is_managed = 1;
+	af_desc.is_managed = false;
 	for (i = 0; i < nirqs; i++) {
 		cpumask_set_cpu(cpus[i], &af_desc.mask);
 		irq = mlx5_irq_request(dev, i + 1, &af_desc, rmap);