arphrd-util: rename arphrd-list.[ch] -> arphrd-util.[ch]

src/test/meson.build

@@ -570,7 +570,7 @@ tests += [
         [['src/test/test-af-list.c',
           generated_gperf_headers]],
 
-        [['src/test/test-arphrd-list.c',
+        [['src/test/test-arphrd-util.c',
           generated_gperf_headers]],
 
         [['src/test/test-ip-protocol-list.c',

src/test/test-arphrd-util.c

@@ -2,11 +2,10 @@
 
 #include <linux/if_arp.h>
 
+#include "arphrd-util.h"
 #include "string-util.h"
 #include "tests.h"
 
-#include "arphrd-list.h"
-
 int main(int argc, const char *argv[]) {
         test_setup_logging(LOG_INFO);