Fix DateTime resource type for Device Server XML
Fix DateTime resource type for Device Server XML

FlowM2M/AwaLWM2M,DavidAntliff/AwaLWM2M,DavidAntliff/AwaLWM2M,DavidAntliff/AwaLWM2M,FlowM2M/AwaLWM2M,FlowM2M/AwaLWM2M,DavidAntliff/AwaLWM2M,FlowM2M/AwaLWM2M