net/mlx5: Print more info on pci error handlers

[ Upstream commit fad1783a ]

In case mlx5_pci_err_detected was called with state equals to
pci_channel_io_perm_failure, the driver will never come back up.

It is nice to know why the driver went to zombie land, so print some
useful information on pci err handlers.

Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Stable-dep-of: 416ef713 ("net/mlx5: Update fw fatal reporter state on PCI handlers successful recover")
Signed-off-by: Sasha Levin <sashal@kernel.org>