The ac.c code does not use the dmi_system_id ident member, so there is
no need to initialize it. This saves us storing the unused "thinkpad e530"
string as const data.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 static const struct dmi_system_id ac_dmi_table[] = {
        {
+       /* Thinkpad e530 */
        .callback = thinkpad_e530_quirk,
-       .ident = "thinkpad e530",
        .matches = {
                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
                DMI_MATCH(DMI_PRODUCT_NAME, "32597CG"),