Currently the state sent in SF configuration is always
FULL_ON.
This commit sets the correct state (e.g. INIT_OFF
when station is not associated).

Fixes: commit f4a3ee49 ("iwlwifi: mvm: Always enable the smart FIFO")
Signed-off-by: NShaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>