qcacmn: Add WMI support to enable multicast rate-control

Add WMI support to enable multicast rate-control as a VDEV
parameter.

Change-Id: I1e970b50d45148abda5a274bec672ff6d7447c5f
CRs-Fixed: 2546483

wmi/inc/wmi_unified_param.h

@@ -4823,6 +4823,7 @@ typedef enum {
 	wmi_vdev_param_mcast_rc_stale_period,
 	wmi_vdev_param_enable_multi_group_key,
 	wmi_vdev_param_max_group_keys,
+	wmi_vdev_param_enable_mcast_rc,
 } wmi_conv_vdev_param_id;
 
 /**

wmi/src/wmi_unified_tlv.c

@@ -478,6 +478,7 @@ static const uint32_t vdev_param_tlv[] = {
 	[wmi_vdev_param_enable_multi_group_key] =
 				WMI_VDEV_PARAM_ENABLE_MULTI_GROUP_KEY,
 	[wmi_vdev_param_max_group_keys] = WMI_VDEV_PARAM_NUM_GROUP_KEYS,
+	[wmi_vdev_param_enable_mcast_rc] = WMI_VDEV_PARAM_ENABLE_MCAST_RC,
 };
 #endif