dt-bindings: soc: renesas: Add Renesas RZ/T2H (R9A09G077) SoC

Add RZ/T2H (R9A09G077), its variants, and the RZT2H-EVK evaluation board
in documentation.

Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Signed-off-by: Thierry Bultel <thierry.bultel.yh@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250403212919.1137670-2-thierry.bultel.yh@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: Thierry Bultel

Documentation/devicetree/bindings/soc/renesas/renesas.yaml

@@ -570,6 +570,16 @@ properties:
           - const: renesas,r9a09g057h48
           - const: renesas,r9a09g057
 
+      - description: RZ/T2H (R9A09G077)
+        items:
+          - enum:
+              - renesas,rzt2h-evk # RZ/T2H Evaluation Board
+          - 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
+              - renesas,r9a09g077m44 # RZ/T2H with Quad Cortex-A55 + Dual Cortex-R52 - no security
+          - const: renesas,r9a09g077
+
 additionalProperties: true
 
 ...