add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi
..
..
@@ -43,6 +43,7 @@
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 / {
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 	/* Will be filled by the bootloader */
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 	memory@10000000 {
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+		device_type = "memory";
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 		reg = <0x10000000 0>;
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 	};
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