ANDROID: power_supply: Add custom property for USB High Current mode

For smb347.

Change-Id: I3323469072e1ee5085d61af8a89612b06b91f94a
Signed-off-by: Todd Poynor <toddpoynor@google.com>
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index bcde8d1..3dad0a5 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -202,6 +202,8 @@
 	POWER_SUPPLY_ATTR(model_name),
 	POWER_SUPPLY_ATTR(manufacturer),
 	POWER_SUPPLY_ATTR(serial_number),
+	/* Local extensions */
+	POWER_SUPPLY_ATTR(usb_hc),
 };
 
 static struct attribute *
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 3965503..ef5be80 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -152,6 +152,8 @@
 	POWER_SUPPLY_PROP_MODEL_NAME,
 	POWER_SUPPLY_PROP_MANUFACTURER,
 	POWER_SUPPLY_PROP_SERIAL_NUMBER,
+	/* Local extensions */
+	POWER_SUPPLY_PROP_USB_HC,
 };
 
 enum power_supply_type {