mwl8k: Enable hw encryption for STA mode on AP fw

Firmware supports hardware encryption feature
for the station interface running on AP
firmware.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwl8k.c

@@ -4265,8 +4265,9 @@ static int mwl8k_set_key(struct ieee80211_hw *hw,
 	u8 encr_type;
 	u8 *addr;
 	struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+	struct mwl8k_priv *priv = hw->priv;
 
-	if (vif->type == NL80211_IFTYPE_STATION)
+	if (vif->type == NL80211_IFTYPE_STATION && !priv->ap_fw)
 		return -EOPNOTSUPP;
 
 	if (sta == NULL)