Enable additional tools in coreutils-5.0 phase 1

These utilities can be enabled with only a small amount of additional
patches. In particular sort, expr, uniq,and hostname are used by some
./configure.sh scripts.

sysa/coreutils-5.0/patches/expr-strcmp.patch

@@ -0,0 +1,26 @@
+SPDX-FileCopyrightText: 2023 Emily Trau <emily@downunderctf.com>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+strcoll() does not exist in mes libc, change it to strcmp.
+
+--- src/expr.c
++++ src/expr.c
+@@ -332,7 +332,7 @@ nextarg (char *str)
+     return 0;
+   else
+     {
+-      int r = strcoll (*args, str) == 0;
++      int r = strcmp (*args, str) == 0;
+       args += r;
+       return r;
+     }
+@@ -668,7 +668,7 @@ eval2 (void)
+       r = eval3 ();
+       tostring (l);
+       tostring (r);
+-      lval = strcoll (l->u.s, r->u.s);
++      lval = strcmp (l->u.s, r->u.s);
+       rval = 0;
+       if (toarith (l) && toarith (r))
+ 	{

sysa/coreutils-5.0/patches/sort-locale.patch

@@ -0,0 +1,37 @@
+SPDX-FileCopyrightText: 2023 Emily Trau <emily@downunderctf.com>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+
+strcoll() does not exist in mes libc, change it to strcmp.
+hard_LC_COLLATE is used but not declared when HAVE_SETLOCALE is unset.
+
+--- lib/memcoll.c
++++ lib/memcoll.c
+@@ -47,7 +47,7 @@ memcoll (char *s1, size_t s1len, char *s2, size_t s2len)
+   s1[s1len++] = '\0';
+   s2[s2len++] = '\0';
+ 
+-  while (! (errno = 0, (diff = strcoll (s1, s2)) || errno))
++  while (! (errno = 0, (diff = strcmp (s1, s2)) || errno))
+     {
+       /* strcoll found no difference, but perhaps it was fooled by NUL
+ 	 characters in the data.  Work around this problem by advancing
+
+--- src/sort.c
++++ src/sort.c
+@@ -91,13 +91,13 @@ double strtod ();
+ #define NEGATION_SIGN   '-'
+ #define NUMERIC_ZERO    '0'
+ 
++/* Nonzero if the corresponding locales are hard.  */
++static int hard_LC_COLLATE;
+ #if HAVE_SETLOCALE
+ 
+ static char decimal_point;
+ static int th_sep; /* if CHAR_MAX + 1, then there is no thousands separator */
+ 
+-/* Nonzero if the corresponding locales are hard.  */
+-static int hard_LC_COLLATE;
+ # if HAVE_NL_LANGINFO
+ static int hard_LC_TIME;
+ # endif