qcacld-3.0: Converge ImplicitQosIsEnabled default values

There is a desire to remove unnecessary items from the default version
of WCNSS_qcom_cfg.ini that is shipped to customers. Currently the
default WCNSS_qcom_cfg.ini contains the following entry:
    ImplicitQosIsEnabled=0

The associated default value within the driver is:
    #define CFG_QOS_IMPLICIT_SETUP_ENABLED_DEFAULT (1)

These are obviously divergent and should be converged.

Note that this flag was added in a prior generation of the driver
during WMM-AC certification testing since some test cases would fail
when Implicit QoS was enabled.  It is expected that all customers are
disabling this feature, and hence this feature should be disabled by
default within the driver itself.

Change-Id: If611b2b491b81b46c3254146ebd734dc244ffde5
CRs-Fixed: 1062978

core/hdd/inc/wlan_hdd_cfg.h

@@ -855,7 +855,7 @@ typedef enum {
 #define CFG_QOS_IMPLICIT_SETUP_ENABLED_NAME                 "ImplicitQosIsEnabled"
 #define CFG_QOS_IMPLICIT_SETUP_ENABLED_MIN                  (0)
 #define CFG_QOS_IMPLICIT_SETUP_ENABLED_MAX                  (1)
-#define CFG_QOS_IMPLICIT_SETUP_ENABLED_DEFAULT              (1)
+#define CFG_QOS_IMPLICIT_SETUP_ENABLED_DEFAULT              (0)
 
 #define CFG_FT_RESOURCE_REQ_NAME                        "gFTResourceReqSupported"
 #define CFG_FT_RESOURCE_REQ_MIN                         (0)