dt-bindings: timer/ingenic,tcu: Add compatible strings for JZ4725B SoC

Add compatible strings for the PWM and watchdog IPs on the Ingenic
JZ4725B SoC.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Documentation/devicetree/bindings/timer/ingenic,tcu.yaml

@@ -116,7 +116,9 @@ patternProperties:
             - ingenic,jz4740-watchdog
             - ingenic,jz4780-watchdog
           - items:
-            - const: ingenic,jz4770-watchdog
+            - enum:
+              - ingenic,jz4770-watchdog
+              - ingenic,jz4725b-watchdog
             - const: ingenic,jz4740-watchdog
 
       reg:
@@ -142,6 +144,7 @@ patternProperties:
         oneOf:
           - enum:
             - ingenic,jz4740-pwm
+            - ingenic,jz4725b-pwm
           - items:
             - enum:
               - ingenic,jz4770-pwm