dt-bindings: can: rcar_canfd: Group tuples in pin control properties

To improve human readability and enable automatic validation, the tuples
in "pinctrl-*" properties should be grouped using angle brackets.

Signed-off-by: Geert Uytterhoeven <[e-mail]>
Acked-by: Marc Kleine-Budde <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Rob Herring <[e-mail]>

Documentation/devicetree/bindings/net/can/rcar_canfd.txt

···
 as fCAN clock.
 
 &canfd {
-	pinctrl-0 = <&canfd0_pins &can_clk_pins>;
+	pinctrl-0 = <&canfd0_pins>, <&can_clk_pins>;
 	pinctrl-names = "default";
 	status = "okay";