qcacld-3.0: Send DSCP-TID map config to firmware

For WCN6450, it is required to send DSCP-TID map config to
the firmware. Enable the required configs for this.

Change-Id: I9327739aaed0fd1555a0cf2c99d6aceecc568ed0
CRs-Fixed: 3460632

configs/wcn6450_defconfig

@@ -800,3 +800,7 @@ CONFIG_WDS_CONV_TARGET_IF_OPS_ENABLE := y
 endif
 
 CONFIG_WLAN_FEATURE_SAP_ACS_OPTIMIZE := y
+
+# Enable sending DSCP-TID map config to firmware
+CONFIG_WLAN_CUSTOM_DSCP_UP_MAP := y
+CONFIG_WLAN_SEND_DSCP_UP_MAP_TO_FW := y