net/mlx5: Wait for firmware to enable CRS before pci_restore_state

net/mlx5: Wait for firmware to enable CRS before pci_restore_state

After firmware reset driver should verify firmware already enabled CRS
and became responsive to pci config cycles before restoring pci state.
Fix that by waiting till device_id is readable through PCI again.

Fixes: eabe8e5e88f5 ("net/mlx5: Handle sync reset now event")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20221026135153.154807-3-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>