dt-bindings: interrupt-controller: sifive,plic: Sort compatible values

Restore alphabetical sort order of the supported SiFive-compatible
values.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml

@@ -57,10 +57,10 @@ properties:
           - const: andestech,nceplic100
       - items:
           - enum:
+              - canaan,k210-plic
               - sifive,fu540-c000-plic
               - starfive,jh7100-plic
               - starfive,jh7110-plic
-              - canaan,k210-plic
           - const: sifive,plic-1.0.0
       - items:
           - enum: