powerpc: dts: mpc8315erdb: Rename LED nodes to comply with schema

The leds-gpio.yaml schema requires that GPIO LED nodes contain "led",
and preferably start with "led-"

Signed-off-by: J. Neuschäfer <[email protected]>
Signed-off-by: Madhavan Srinivasan <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: neuschaefer

arch/powerpc/boot/dts/mpc8315erdb.dts

@@ -478,12 +478,12 @@
 	leds {
 		compatible = "gpio-leds";
 
-		pwr {
+		led-pwr {
 			gpios = <&mcu_pio 0 0>;
 			default-state = "on";
 		};
 
-		hdd {
+		led-hdd {
 			gpios = <&mcu_pio 1 0>;
 			linux,default-trigger = "disk-activity";
 		};