add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/arm/boot/dts/exynos5420.dtsi
..
..
@@ -605,7 +605,7 @@
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 		};
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 		mipi_phy: mipi-video-phy {
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-			compatible = "samsung,s5pv210-mipi-video-phy";
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+			compatible = "samsung,exynos5420-mipi-video-phy";
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 			syscon = <&pmu_system_controller>;
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 			#phy-cells = <1>;
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 		};