pmic: raa215300: Bind sysreset driver

If SYSRESET support is enabled for the RAA215300 PMIC, we need to bind
the raa215300_sysreset driver as a child device of the PMIC.

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/drivers/power/pmic/raa215300.c b/drivers/power/pmic/raa215300.c
index b93a0d3..a581a1f 100644
--- a/drivers/power/pmic/raa215300.c
+++ b/drivers/power/pmic/raa215300.c
@@ -29,6 +29,15 @@
 
 static int raa215300_bind(struct udevice *dev)
 {
+	if (IS_ENABLED(CONFIG_SYSRESET_RAA215300)) {
+		struct driver *drv = lists_driver_lookup_name("raa215300_sysreset");
+		if (!drv)
+			return -ENOENT;
+
+		return device_bind(dev, drv, dev->name, NULL, dev_ofnode(dev),
+				   NULL);
+	}
+
 	return 0;
 }