iwmc3200wifi: Profile flags can be WPA1 or WPA2 not both

UMAC will ASSERT if the profile security flag is WPA1 | WPA2, so we can only
accept one of those.
Moreover wpa_s wext and nl80211 drivers dont try to send WPA1 | WPA2, but only
one at a time.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwmc3200wifi/cfg80211.c

@@ -471,12 +471,12 @@ static int iwm_set_wpa_version(struct iwm_priv *iwm, u32 wpa_version)
 		return 0;
 	}
 
+	if (wpa_version & NL80211_WPA_VERSION_1)
+		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_WPA_ON_MSK;
+
 	if (wpa_version & NL80211_WPA_VERSION_2)
 		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_RSNA_ON_MSK;
 
-	if (wpa_version & NL80211_WPA_VERSION_1)
-		iwm->umac_profile->sec.flags |= UMAC_SEC_FLG_WPA_ON_MSK;
-
 	return 0;
 }