dt-bindings: hwinfo: samsung,exynos-chipid: add exynosautov920 compatible

Add "samsung,exynosautov920-chipid" compatible string to binding document.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Link: https://lore.kernel.org/r/20231115095609.39883-9-jaewon02.kim@samsung.comSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml

@@ -24,6 +24,7 @@ properties:
           - enum:
               - samsung,exynos7885-chipid
               - samsung,exynosautov9-chipid
+              - samsung,exynosautov920-chipid
           - const: samsung,exynos850-chipid
 
   reg: