of: property: fw_devlink: Add support for "access-controller"

Allows tracking dependencies between devices and their access
controller.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

drivers/of/property.c

@@ -1252,6 +1252,7 @@ DEFINE_SIMPLE_PROP(backlight, "backlight", NULL)
 DEFINE_SIMPLE_PROP(panel, "panel", NULL)
 DEFINE_SIMPLE_PROP(msi_parent, "msi-parent", "#msi-cells")
 DEFINE_SIMPLE_PROP(post_init_providers, "post-init-providers", NULL)
+DEFINE_SIMPLE_PROP(access_controllers, "access-controllers", "#access-controller-cells")
 DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
 DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
 
@@ -1359,6 +1360,7 @@ static const struct supplier_bindings of_supplier_bindings[] = {
 	{ .parse_prop = parse_msi_parent, },
 	{ .parse_prop = parse_gpio_compat, },
 	{ .parse_prop = parse_interrupts, },
+	{ .parse_prop = parse_access_controllers, },
 	{ .parse_prop = parse_regulators, },
 	{ .parse_prop = parse_gpio, },
 	{ .parse_prop = parse_gpios, },