net/mlx5e: XPS, Fix oversight of Multi-PF Netdev changes

The offending commit overlooked the Multi-PF Netdev changes.

Revert mlx5e_set_default_xps_cpumasks to incorporate Multi-PF Netdev
changes.

Fixes: bcee0937 ("net/mlx5e: Modifying channels number and updating TX queues")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20240815071611.2211873-4-tariqt@nvidia.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>