tps65090-charger: Add dt node to power_supply

Passing in the dt node for this charger enables the logic in the core to
lookup this device, to see if it is supplying another power_supply,
through dt.

Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
diff --git a/drivers/power/tps65090-charger.c b/drivers/power/tps65090-charger.c
index e628f98..bdd7b9b 100644
--- a/drivers/power/tps65090-charger.c
+++ b/drivers/power/tps65090-charger.c
@@ -255,6 +255,7 @@
 	cdata->ac.num_properties	= ARRAY_SIZE(tps65090_ac_props);
 	cdata->ac.supplied_to		= pdata->supplied_to;
 	cdata->ac.num_supplicants	= pdata->num_supplicants;
+	cdata->ac.of_node		= pdev->dev.of_node;
 
 	ret = power_supply_register(&pdev->dev, &cdata->ac);
 	if (ret) {