qcacld-3.0: Enable CONN_MGR_ADV_FEATURE by default

Add a change to enable CONN_MGR_ADV_FEATURE feature by default.

Change-Id: I72770eb9384e20fdb3f72991eb036aeea5148a08
CRs-Fixed: 2758659

Kbuild

@@ -2741,6 +2741,8 @@ cppflags-y += -DFEATURE_CM_ENABLE
 cppflags-$(CONFIG_QCACLD_WLAN_LFR2) += -DWLAN_FEATURE_PREAUTH_ENABLE
 endif
 
+cppflags-y += -DCONN_MGR_ADV_FEATURE
+
 cppflags-$(CONFIG_QCACLD_WLAN_LFR3) += -DWLAN_FEATURE_ROAM_OFFLOAD
 
 cppflags-$(CONFIG_WLAN_FEATURE_MBSSID) += -DWLAN_FEATURE_MBSSID