mac80211: always have ieee80211_sta_restart()

When CONFIG_PM isn't defined we don't have the function
ieee80211_sta_restart() compiled in, but we always need
it now for firmware restart. Move it out of the ifdef.

Fixes: 7d352ccf ("mac80211: Add support to trigger sta disconnect on hardware restart")
Link: https://lore.kernel.org/r/20220312221957.1fa96c72db51.I8ecaa5f9402fede0272161e0531ab930b97fba3e@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/mlme.c

@@ -4934,6 +4934,7 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
 
 	sdata_unlock(sdata);
 }
+#endif
 
 void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
 {
@@ -4969,7 +4970,6 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
 
 	sdata_unlock(sdata);
 }
-#endif
 
 /* interface setup */
 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)