powerpc: wii: Fix LED name pattern

Adjust the name of the drive slot LED node to comply with the schema in
Documentation/devicetree/bindings/leds/leds-gpio.yaml.

  arch/powerpc/boot/dts/wii.dtb: gpio-leds: 'drive-slot' does not match
  any of the regexes: '(^led-[0-9a-f]$|led)', 'pinctrl-[0-9]+'

Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260311-wii-schema-v1-3-1563ac4aefa8@posteo.net

Author: neuschaefer

arch/powerpc/boot/dts/wii.dts

@@ -246,7 +246,7 @@
 		compatible = "gpio-leds";
 
 		/* This is the blue LED in the disk drive slot */
-		drive-slot {
+		led-0 {
 			label = "wii:blue:drive_slot";
 			gpios = <&GPIO 5 GPIO_ACTIVE_HIGH>;
 			panic-indicator;