sfc: mark state UNINIT after unregister
sfc: mark state UNINIT after unregister

Without this change, modprobe -r sfc hits the BUG_ON() in
efx_pci_remove_main().

Fixes: e7fef9b45ae1 ("sfc: add sysfs entry to control MCDI tracing")
Reported-by: Jarod Wilson <14059c7158912dcae849c377925c87d46da48cdf@redhat.com>
Reviewed-by: Jarod Wilson <14059c7158912dcae849c377925c87d46da48cdf@redhat.com>
Signed-off-by: Edward Cree <f56d081c7c8cc7bca2bbec2b8c5fb7bf184fccb1@solarflare.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs