dt-bindings: serial: snps,dw-apb-uart: merge duplicate compatible entry.

Each vendor have an items entry of its own compatible, It is needless
and can be merged as it share the same base "snps,dw-apb-uart"
compatible.

Merge the duplicate compatible entry into one item entry.

Signed-off-by: Inochi Amaoto <[email protected]>
Suggested-by: Conor Dooley <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: inochisa

Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml

@@ -37,6 +37,8 @@ properties:
           - const: renesas,rzn1-uart
       - items:
           - enum:
+              - brcm,bcm11351-dw-apb-uart
+              - brcm,bcm21664-dw-apb-uart
               - rockchip,px30-uart
               - rockchip,rk1808-uart
               - rockchip,rk3036-uart
@@ -54,14 +56,6 @@ properties:
               - rockchip,rk3588-uart
               - rockchip,rv1108-uart
               - rockchip,rv1126-uart
-          - const: snps,dw-apb-uart
-      - items:
-          - enum:
-              - brcm,bcm11351-dw-apb-uart
-              - brcm,bcm21664-dw-apb-uart
-          - const: snps,dw-apb-uart
-      - items:
-          - enum:
               - starfive,jh7100-hsuart
               - starfive,jh7100-uart
               - starfive,jh7110-uart