mwifiex: configure p2p interface during initialization

Send P2P_MODE_CFG cmd to firmware when p2p interface is created.
Without proper p2p configuration firmware may behave incorrectly
while handling commands sent through this interface.
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NStone Piao <piaoyun@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/cfg80211.c

@@ -2152,6 +2152,9 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
 		priv->bss_started = 0;
 		priv->bss_num = 0;
 
+		if (mwifiex_cfg80211_init_p2p_client(priv))
+			return ERR_PTR(-EFAULT);
+
 		break;
 	default:
 		wiphy_err(wiphy, "type not supported\n");