regulator: arizona-micsupp: Add support for WM8280/WM8281

Signed-off-by: Richard Fitzgerald <[e-mail]>
Reviewed-by: Mark Brown <[e-mail]>
Signed-off-by: Charles Keepax <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>

drivers/regulator/arizona-micsupp.c

···
 	 */
 	switch (arizona->type) {
 	case WM5110:
+	case WM8280:
 		desc = &arizona_micsupp_ext;
 		micsupp->init_data = arizona_micsupp_ext_default;
 		break;