bcm53xx: remove MR32's specific get_leds_dt code

the existing diag.sh code will pick up the LED
by itself. This is not/no longer needed.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

target/linux/bcm53xx/base-files/etc/diag.sh

@@ -18,9 +18,6 @@ get_status_led() {
 		status_led=$(basename $status_led_file)
 		return
 	fi;
-
-	# And finally, let's also try the device-Tree aliases node
-	status_led="$(get_dt_led status)"
 }
 
 set_state() {

target/linux/bcm53xx/patches-5.10/331-Meraki-MR32-Status-LEDs.patch

@@ -1,28 +0,0 @@
-From: Christian Lamparter <chunkeey@gmail.com>
-Date: Thu, 7 Jun 2018 19:29:12 +0200
-Subject: bcm53xx: add LED status label alias for Meraki MR32
-
-add an led-status alias label. This is used by OpenWrt's LED
-DTS lookup function to identifiy the indicator LED
-
-Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
-
---- a/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
-+++ b/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
-@@ -27,6 +27,7 @@
- 
- 	aliases {
- 		serial1 = &uart2;
-+		led-status = &led_status;
- 	};
- 
- 	leds {
-@@ -68,7 +69,7 @@
- 			max-brightness = <255>;
- 		};
- 
--		green {
-+		led_status: green {
- 			/* SYS-LED 1 - Tricolor */
- 			function = LED_FUNCTION_POWER;
- 			color = <LED_COLOR_ID_GREEN>;