Update MentOs code to the latest development version.

libc/src/sys/utsname.c

@@ -0,0 +1,12 @@
+///                MentOS, The Mentoring Operating system project
+/// @file utsname.c
+/// @brief Functions used to provide information about the machine & OS.
+/// @copyright (c) 2014-2021 This file is distributed under the MIT License.
+/// See LICENSE.md for details.
+
+#include "sys/utsname.h"
+#include "system/syscall_types.h"
+#include "sys/errno.h"
+#include "stddef.h"
+
+_syscall1(int, uname, utsname_t *, buf)