dt-bindings: ufs: samsung,exynos-ufs: use common bindings

Use common UFS bindings in Samsung Exynos UFS to cover generic/common
properties in DTS.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220306111125.116455-3-krzysztof.kozlowski@canonical.com

Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml

@@ -11,12 +11,11 @@ maintainers:
 
 description: |
   Each Samsung UFS host controller instance should have its own node.
-  This binding define Samsung specific binding other then what is used
-  in the common ufshcd bindings
-  [1] Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
 
-properties:
+allOf:
+  - $ref: ufs-common.yaml
 
+properties:
   compatible:
     enum:
       - samsung,exynos7-ufs
@@ -47,9 +46,6 @@ properties:
       - const: core_clk
       - const: sclk_unipro_main
 
-  interrupts:
-    maxItems: 1
-
   phys:
     maxItems: 1
 
@@ -67,13 +63,12 @@ properties:
 required:
   - compatible
   - reg
-  - interrupts
   - phys
   - phy-names
   - clocks
   - clock-names
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |