wlan : wmm : Enabling UAPSD when service interval is set to 0

When minimum and maximum service intervals are set 0, UAPSD is
disabled in the STA and the STA falls back to legacy power save.
This is not desired behaviour per VE cert. Changes made to enable
UAPSD if UAPSD mask for that AC is set.

Change-Id: I393d2da8a2cc83051c4148524a0fdbc11ba13088
CRs-fixed: 525564
diff --git a/CORE/SME/inc/sme_QosApi.h b/CORE/SME/inc/sme_QosApi.h
index 2dcd640..c5bf8ad 100644
--- a/CORE/SME/inc/sme_QosApi.h
+++ b/CORE/SME/inc/sme_QosApi.h
@@ -68,6 +68,14 @@
 #include "aniGlobal.h"
 #include "sirApi.h"
 
+/*--------------------------------------------------------------------------
+  Pre-processor Definitions
+  ------------------------------------------------------------------------*/
+#define SME_QOS_UAPSD_VO      0x01
+#define SME_QOS_UAPSD_VI      0x02
+#define SME_QOS_UAPSD_BE      0x08
+#define SME_QOS_UAPSD_BK      0x04
+
 /*-------------------------------------------------------------------------- 
   Type declarations
   ------------------------------------------------------------------------*/