net/mlx5: Reload auxiliary devices in pci error handlers

commit aab8e1a2 upstream.

Handling pci errors should fully teardown and load back auxiliary
devices, same as done through mlx5 health recovery flow.

Fixes: 72ed5d56 ("net/mlx5: Suspend auxiliary devices only in case of PCI device suspend")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>