dt-bindings: soc: renesas: Document RZ/T2H Evaluation Board part number

      - description: RZ/T2H (R9A09G077)

        items:

          - enum:

              - renesas,rzt2h-evk # RZ/T2H Evaluation Board

              - renesas,rzt2h-evk # RZ/T2H Evaluation Board (RTK9RZT2H0S00000BJ)

          - enum:

              - renesas,r9a09g077m04 # RZ/T2H with Single Cortex-A55 + Dual Cortex-R52 - no security

              - renesas,r9a09g077m24 # RZ/T2H with Dual Cortex-A55 + Dual Cortex-R52 - no security