leds: lgm-sso: switch to using devm_fwnode_gpiod_get()

devm_fwnode_get_gpiod_from_child() is going away as the name is too
unwieldy, let's switch to using the new devm_fwnode_gpiod_get().

Signed-off-by: Dmitry Torokhov <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Reviewed-by: Linus Walleij <[e-mail]>
Signed-off-by: Bartosz Golaszewski <[e-mail]>

drivers/leds/blink/leds-lgm-sso.c

···
 		led->priv = priv;
 		desc = &led->desc;
 
-		led->gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL,
-							      fwnode_child,
-							      GPIOD_ASIS, NULL);
+		led->gpiod = devm_fwnode_gpiod_get(dev, fwnode_child, NULL,
+						   GPIOD_ASIS, NULL);
 		if (IS_ERR(led->gpiod)) {
 			ret = dev_err_probe(dev, PTR_ERR(led->gpiod), "led: get gpio fail!\n");
 			goto __dt_err;