of: property: fw_devlink: Add support for "leds" and "backlight"

Allows tracking dependencies between leds/backlights devices and their
consumers.
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210814023132.2729731-2-saravanak@google.comSigned-off-by: Rob Herring <robh@kernel.org>

drivers/of/property.c

@@ -1289,6 +1289,8 @@ DEFINE_SIMPLE_PROP(pinctrl8, "pinctrl-8", NULL)
 DEFINE_SIMPLE_PROP(remote_endpoint, "remote-endpoint", NULL)
 DEFINE_SIMPLE_PROP(pwms, "pwms", "#pwm-cells")
 DEFINE_SIMPLE_PROP(resets, "resets", "#reset-cells")
+DEFINE_SIMPLE_PROP(leds, "leds", NULL)
+DEFINE_SIMPLE_PROP(backlight, "backlight", NULL)
 DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
 DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
 
@@ -1375,6 +1377,8 @@ static const struct supplier_bindings of_supplier_bindings[] = {
 	{ .parse_prop = parse_remote_endpoint, .node_not_dev = true, },
 	{ .parse_prop = parse_pwms, },
 	{ .parse_prop = parse_resets, },
+	{ .parse_prop = parse_leds, },
+	{ .parse_prop = parse_backlight, },
 	{ .parse_prop = parse_gpio_compat, },
 	{ .parse_prop = parse_interrupts, },
 	{ .parse_prop = parse_regulators, },