extcon: arizona: Update naming for second jack detection DT binding

Update the name for the second jack detection pin binding to be a little
less confusing.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
diff --git a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
index 7640a35..8aa0bd4 100644
--- a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
+++ b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
@@ -14,9 +14,9 @@
     If this node is not mentioned or if the value is unknown, then
     headphone detection mode is set to HPDETL.
 
-  - wlf,use-jd-gpio : Use GPIO input along with JD1 for dual pin jack
+  - wlf,use-jd2 : Use the additional JD input along with JD1 for dual pin jack
     detection.
-  - wlf,use-jd-gpio-nopull : Internal pull on GPIO is disabled when used for
+  - wlf,use-jd2-nopull : Internal pull on JD2 is disabled when used for
     jack detection.
   - wlf,jd-invert : Invert the polarity of the jack detection switch