mwifiex: remove unnecessary enum MWIFIEX_802_11_WEP_STATUS

Instead of defining an 'enum', we can simply use 'u8' flag for WEP
status. Rename 'wep_status' to 'wep_enabled' to match with
'wpa_enabled' and 'wpa2_enabled'.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index 0b0eb5e..ee439fc 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -417,7 +417,7 @@
 	auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
 	auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
 	auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
-	if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED)
+	if (priv->sec_info.wep_enabled)
 		auth_tlv->auth_type = cpu_to_le16(
 				(u16) priv->sec_info.authentication_mode);
 	else
@@ -1069,8 +1069,7 @@
 	priv->curr_bss_params.bss_descriptor.channel = bss_desc->channel;
 	priv->curr_bss_params.band = (u8) bss_desc->bss_band;
 
-	if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED
-	    || priv->sec_info.wpa_enabled)
+	if (priv->sec_info.wep_enabled || priv->sec_info.wpa_enabled)
 		tmp_cap |= WLAN_CAPABILITY_PRIVACY;
 
 	if (IS_SUPPORT_MULTI_BANDS(priv->adapter)) {