dt-bindings: timer: renesas,cmt: Add r8a779f0 and generic Gen4 CMT support

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220713100603.3391-2-wsa+renesas@sang-engineering.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Author: Wolfram Sang

Documentation/devicetree/bindings/timer/renesas,cmt.yaml

@@ -83,6 +83,11 @@ properties:
               - renesas,r8a779a0-cmt0     # 32-bit CMT0 on R-Car V3U
           - const: renesas,rcar-gen3-cmt0 # 32-bit CMT0 on R-Car Gen3 and RZ/G2
 
+      - items:
+          - enum:
+              - renesas,r8a779f0-cmt0     # 32-bit CMT0 on R-Car S4-8
+          - const: renesas,rcar-gen4-cmt0 # 32-bit CMT0 on R-Car Gen4
+
       - items:
           - enum:
               - renesas,r8a774a1-cmt1     # 48-bit CMT on RZ/G2M
@@ -100,6 +105,11 @@ properties:
               - renesas,r8a779a0-cmt1     # 48-bit CMT on R-Car V3U
           - const: renesas,rcar-gen3-cmt1 # 48-bit CMT on R-Car Gen3 and RZ/G2
 
+      - items:
+          - enum:
+              - renesas,r8a779f0-cmt1     # 48-bit CMT on R-Car S4-8
+          - const: renesas,rcar-gen4-cmt1 # 48-bit CMT on R-Car Gen4
+
   reg:
     maxItems: 1