extcon: arizona: Add support for WM8280/WM8281

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 63f01c4..6b5e795 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -1149,6 +1149,7 @@
 		}
 		break;
 	case WM5110:
+	case WM8280:
 		switch (arizona->rev) {
 		case 0 ... 2:
 			break;