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

For smb347.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
[AmitP: Folded following android-4.9 commit changes into this patch
        af4f6ce7f57b ("ANDROID: power: power_supply: move POWER_SUPPLY_PROP_USB_HC to type 'int' order")]
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
(cherry picked from commit 314f5bb4b8)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 150789066
Change-Id: I3323469072e1ee5085d61af8a89612b06b91f94a

drivers/power/supply/power_supply_sysfs.c

@@ -303,6 +303,8 @@ static struct device_attribute power_supply_attrs[] = {
 	POWER_SUPPLY_ATTR(precharge_current),
 	POWER_SUPPLY_ATTR(charge_term_current),
 	POWER_SUPPLY_ATTR(calibrate),
+	/* Local extensions */
+	POWER_SUPPLY_ATTR(usb_hc),
 	/* Properties of type `const char *' */
 	POWER_SUPPLY_ATTR(model_name),
 	POWER_SUPPLY_ATTR(manufacturer),

include/linux/power_supply.h

@@ -150,6 +150,8 @@ enum power_supply_property {
 	POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
 	POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
 	POWER_SUPPLY_PROP_CALIBRATE,
+	/* Local extensions */
+	POWER_SUPPLY_PROP_USB_HC,
 	/* Properties of type `const char *' */
 	POWER_SUPPLY_PROP_MODEL_NAME,
 	POWER_SUPPLY_PROP_MANUFACTURER,