Update extcon for v4.9-rc3

This patch fixes the following issue:
 - Use the extcon_set_state_sync() to notify the changed state
 intead of extcon_set_state() in the Qualcomm USB extcon driver.
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Merge tag 'extcon-fixes-for-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-linus

Chanwoo writes:

Update extcon for v4.9-rc3

This patch fixes the following issue:
- Use the extcon_set_state_sync() to notify the changed state
intead of extcon_set_state() in the Qualcomm USB extcon driver.

drivers/extcon/extcon-qcom-spmi-misc.c

@@ -51,7 +51,7 @@ static void qcom_usb_extcon_detect_cable(struct work_struct *work)
 	if (ret)
 		return;
 
-	extcon_set_state(info->edev, EXTCON_USB_HOST, !id);
+	extcon_set_state_sync(info->edev, EXTCON_USB_HOST, !id);
 }
 
 static irqreturn_t qcom_usb_irq_handler(int irq, void *dev_id)