staging: wfx: set all parameters before starting AP

Current code start AP and then configure the different parameters. Since
all the configuration is sent quickly after AP started, it works.
However, it is not very nice. In add, last firmware releases start to
disallow incorrect settings.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200410133239.438347-6-Jerome.Pouiller@silabs.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wfx/sta.c

@@ -604,7 +604,6 @@ int wfx_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
 	struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv;
 
-	hif_start(wvif, &vif->bss_conf, wvif->channel);
 	wfx_upload_keys(wvif);
 	if (wvif_count(wvif->wdev) <= 1)
 		hif_set_block_ack_policy(wvif, 0xFF, 0xFF);
@@ -612,6 +611,7 @@ int wfx_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 	wfx_update_filtering(wvif);
 	wfx_upload_ap_templates(wvif);
 	wfx_fwd_probe_req(wvif, false);
+	hif_start(wvif, &vif->bss_conf, wvif->channel);
 	return 0;
 }