add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/arm64/include/asm/xen/page-coherent.h
..
..
@@ -1 +1,2 @@
1
+/* SPDX-License-Identifier: GPL-2.0 */
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2
 #include <xen/arm/page-coherent.h>