extcon: qcom-spmi-misc: Fix wakeup source leaks on device unbind

Device can be unbound, so driver must also release memory for the wakeup
source.

Link: https://lore.kernel.org/lkml/[e-mail]/
Reviewed-by: Dmitry Baryshkov <[e-mail]>
Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Chanwoo Choi <[e-mail]>

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

···
 	}
 
 	platform_set_drvdata(pdev, info);
-	device_init_wakeup(dev, 1);
+	devm_device_init_wakeup(dev);
 
 	/* Perform initial detection */
 	qcom_usb_extcon_detect_cable(&info->wq_detcable.work);