tests: fix cache_test and arch_lib_test date style error

Author: txy-21

testing/arch_libc/arch_libc_test_main.c

@@ -222,8 +222,8 @@ int arch_libc_strcpy_speed(void)
         }
     }
 
-  printf("strcpy total(run 25 times) cpu cycles %" PRIu32 "\n", cycles);
-  printf("strcpy average cpu cycles %" PRIu32 "\n", cycles / 25);
+  printf("strcpy total(run 25 times) cpu cycles %"PRIu64"\n", cycles);
+  printf("strcpy average cpu cycles %"PRIu64"\n", cycles / 25);
 
   return 0;
 }

testing/cachetest/cachetest_main.c

@@ -144,7 +144,7 @@ static void cachetest_parse_commandline(int argc, FAR char **argv,
     }
 
   syslog(LOG_INFO, CACHETEST_PREFIX "waddr:%p, uncacheble addr start:%p,"
-         "size:%u\n", info->waddr,
+         "size:%zu\n", info->waddr,
          (FAR char *)((uintptr_t)info->waddr | info->offset), info->size);
 }