bcm53xx: remove MR32's openwrt specific patch for LEDs

The patch managed to sneak into v5.15 whereas it was
properly deleted for v5.10.

Fixes: 8f6e2bb17886 ("bcm53xx: remove MR32's specific get_leds_dt code")
Signed-off-by: Christian Lamparter <[email protected]>

target/linux/bcm53xx/patches-5.15/331-Meraki-MR32-Status-LEDs.patch

@@ -1,28 +0,0 @@
-From: Christian Lamparter <[email protected]>
-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 <[email protected]>
-
---- 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 {
-@@ -66,7 +67,7 @@
- 			max-brightness = <255>;
- 		};
- 
--		green {
-+		led_status: green {
- 			/* SYS-LED 1 - Tricolor */
- 			function = LED_FUNCTION_POWER;
- 			color = <LED_COLOR_ID_GREEN>;