dt-bindings: dma: sifive,fu540-c000-pdma: Group interrupt tuples

To improve human readability and enable automatic validation, the tuples
in "interrupts" properties should be grouped using angle brackets.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20211125150233.161576-1-geert@linux-m68k.orgSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml

@@ -50,7 +50,7 @@ examples:
     dma@3000000 {
       compatible = "sifive,fu540-c000-pdma";
       reg = <0x3000000 0x8000>;
-      interrupts = <23 24 25 26 27 28 29 30>;
+      interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>, <30>;
       #dma-cells = <1>;
     };