add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/Documentation/ABI/testing/sysfs-wusb_cbaf
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@@ -45,7 +45,8 @@
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                 7. Device is unplugged.
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                 References:
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-                  [WUSB-AM] Association Models Supplement to the
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+                  [WUSB-AM]
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+			    Association Models Supplement to the
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                             Certified Wireless Universal Serial Bus
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                             Specification, version 1.0.
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