dt-bindings: samsung: exynos-sysreg: add exynosautov920 sysreg

Add compatible for ExynosAutov920 sysreg controllers.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Link: https://lore.kernel.org/r/20231115095609.39883-2-jaewon02.kim@samsung.comSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml

@@ -50,6 +50,11 @@ properties:
               - samsung,exynosautov9-peric1-sysreg
           - const: samsung,exynosautov9-sysreg
           - const: syscon
+      - items:
+          - enum:
+              - samsung,exynosautov920-peric0-sysreg
+              - samsung,exynosautov920-peric1-sysreg
+          - const: syscon
 
   reg:
     maxItems: 1