fix(touchscreen) fixed the problem of gt9xx touch abnormality

lin

2025-03-21 36aaa54056c4f4e150f6ee0636610d9a68470a08

 longan/device/config/chips/a133/configs/c3/board.dts
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@@ -1001,6 +1001,7 @@
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 		};
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 		sndcodec:sound@0 {
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+			noheadphonemic = <1>;
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 			status = "okay";
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 		};
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