add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/alpha/include/uapi/asm/ptrace.h
..
..
@@ -8,7 +8,7 @@
8
8
  * kernel stack during a system call or other kernel entry
9
9
  *
10
10
  * NOTE! I want to minimize the overhead of system calls, so this
11
- * struct has as little information as possible.  I does not have
11
+ * struct has as little information as possible. It does not have
12
12
  *
13
13
  *  - floating point regs: the kernel doesn't change those
14
14
  *  - r9-15: saved by the C compiler