Update _3gpp-nr-nrm-rrmpolicy.yang

    leaf resourceType {

      description "The resourceType attribute defines type of resource (PRB, 

        RRC connected users, DRB usage etc.) that is subject to policy. 

       Valid values are 'PRB', 'PRB-UL', 'PRB-DL', 'RRC' or 'DRB'";

       Valid values are 'PRB', 'PRB_UL', 'PRB_DL', 'RRC' or 'DRB'";

      mandatory true;

      type enumeration {

        enum prb;

        enum prbUl;

		enum prbDl;

        enum rrc;

		enum drb;

        enum PRB;

        enum PRB_UL;

        enum PRB_DL;

        enum RRC;

        enum DRB;

      }

    }