qcacmn: Add converged enum for WMI_SERVICE_VDEV_LATENCY_CONFIG
Currently there is no converged wmi_service enum for the
WMI_SERVICE_VDEV_LATENCY_CONFIG.
Add wmi_service_vdev_latency_config as the converged enum.
Change-Id: I90d54ccd507b4267cd7310b4e6e5b1473c7dc41c
CRs-Fixed: 2366187