qcacld-3.0: Fix misleading comments

qcacld-2.0 to qcacld-3.0 propagation

Currently comments for enum HDD_WMM_USER_MODE_NO_QOS are misleading.
It does not clearly say that uapsd is disabled when wmm mode is
HDD_WMM_USER_MODE_NO_QOS. Fix this by adding appropriate comments.

Change-Id: I6696c92f0a67b18c3ada6736f37ef498a68c881e
CRs-Fixed: 1074503
diff --git a/core/hdd/inc/wlan_hdd_wmm.h b/core/hdd/inc/wlan_hdd_wmm.h
index 3194d10..3944386 100644
--- a/core/hdd/inc/wlan_hdd_wmm.h
+++ b/core/hdd/inc/wlan_hdd_wmm.h
@@ -89,10 +89,7 @@
  *	with QAP and acts accordingly
  * @HDD_WMM_USER_MODE_QBSS_ONLY - SME will add the extra logic to make sure
  *	STA associates with a QAP only
- * @HDD_WMM_USER_MODE_NO_QOS - SME will not join a QoS AP, unless the phy
- *	mode setting says "Auto". In that case, STA is free to join 11n AP.
- *	Although from HDD point of view, it will not be doing any packet
- *	classifications.
+ * @HDD_WMM_USER_MODE_NO_QOS - Join any AP, but uapsd is disabled
  */
 typedef enum hdd_wmm_user_mode {
 	HDD_WMM_USER_MODE_AUTO = 0,