staging: wfx: fix spaces around binary operators

A binary operator should be followed by exactly one space.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200825085828.399505-4-Jerome.Pouiller@silabs.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wfx/key.c

@@ -171,7 +171,7 @@ static int wfx_add_key(struct wfx_vif *wvif, struct ieee80211_sta *sta,
 	k.int_id = wvif->id;
 	k.entry_index = idx;
 	if (key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
-	    key->cipher ==  WLAN_CIPHER_SUITE_WEP104) {
+	    key->cipher == WLAN_CIPHER_SUITE_WEP104) {
 		if (pairwise)
 			k.type = fill_wep_pair(&k.key.wep_pairwise_key, key,
 					       sta->addr);
@@ -191,13 +191,13 @@ static int wfx_add_key(struct wfx_vif *wvif, struct ieee80211_sta *sta,
 		else
 			k.type = fill_ccmp_group(&k.key.aes_group_key, key,
 						 &seq);
-	} else if (key->cipher ==  WLAN_CIPHER_SUITE_SMS4) {
+	} else if (key->cipher == WLAN_CIPHER_SUITE_SMS4) {
 		if (pairwise)
 			k.type = fill_sms4_pair(&k.key.wapi_pairwise_key, key,
 						sta->addr);
 		else
 			k.type = fill_sms4_group(&k.key.wapi_group_key, key);
-	} else if (key->cipher ==  WLAN_CIPHER_SUITE_AES_CMAC) {
+	} else if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
 		k.type = fill_aes_cmac_group(&k.key.igtk_group_key, key,
 					     &seq);
 	} else {