Changes to set/reset uapsd after association through iwpriv command.

enhance the existing addtspec ioctl to specify the APSD bit which will
be used to turn uapsd on/off on the fly after association.
the 4th argument of addtspec is used to specify APSD bit.

Change-Id: I29da9426b840cfe3980226e33bcd8c524ac53537
CRs-fixed: 548590
diff --git a/CORE/SME/src/QoS/sme_Qos.c b/CORE/SME/src/QoS/sme_Qos.c
index 688f191..8f0c02d 100644
--- a/CORE/SME/src/QoS/sme_Qos.c
+++ b/CORE/SME/src/QoS/sme_Qos.c
@@ -5496,6 +5496,7 @@
    }
    vos_mem_copy(&TspecInfo, pCurrent_Tspec_Info, 
                 sizeof(sme_QosWmmTspecInfo));
+   TspecInfo.ts_info.psb = pInput_Tspec_Info->ts_info.psb;
    /*-------------------------------------------------------------------------
      APSD preference is only meaningful if service interval was set by app
    -------------------------------------------------------------------------*/