dt-bindings: soc: samsung: exynos-sysreg: add dedicated SYSREG compatibles to Exynosautov9

Exynosautov9 has several different SYSREGs, so use dedicated compatibles
for them and deprecate usage of generic Exynosautov9 compatible alone.
Signed-off-by: Sriranjani P <sriranjani.p@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Chanho Park <chanho61.park@samsung.com>
Link: https://lore.kernel.org/r/20221214044342.49766-4-sriranjani.p@samsung.comSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

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

@@ -17,7 +17,6 @@ properties:
               - samsung,exynos3-sysreg
               - samsung,exynos4-sysreg
               - samsung,exynos5-sysreg
-              - samsung,exynosautov9-sysreg
               - tesla,fsd-cam-sysreg
               - tesla,fsd-fsys0-sysreg
               - tesla,fsd-fsys1-sysreg
@@ -35,6 +34,7 @@ properties:
           - enum:
               - samsung,exynos5433-sysreg
               - samsung,exynos850-sysreg
+              - samsung,exynosautov9-sysreg
           - const: syscon
             deprecated: true
       - items:
@@ -43,6 +43,13 @@ properties:
               - samsung,exynos850-peri-sysreg
           - const: samsung,exynos850-sysreg
           - const: syscon
+      - items:
+          - enum:
+              - samsung,exynosautov9-fsys2-sysreg
+              - samsung,exynosautov9-peric0-sysreg
+              - samsung,exynosautov9-peric1-sysreg
+          - const: samsung,exynosautov9-sysreg
+          - const: syscon
 
   reg:
     maxItems: 1