of: HACK: disable backlight supplier binding if not needed

This is just to get -edge kernels with DCP and the backlight stuff
compiled out working with the same DTs as regular ones, and avoid
blocking here. Will go away once the simpledrm backlight stuff goes
away when DCP is stable.

Signed-off-by: Hector Martin <marcan@marcan.st>

H# with '#' will be ignored, and an empty message aborts the commit.

Author: marcan

drivers/of/property.c

@@ -1353,7 +1353,9 @@ static const struct supplier_bindings of_supplier_bindings[] = {
 	{ .parse_prop = parse_pwms, },
 	{ .parse_prop = parse_resets, },
 	{ .parse_prop = parse_leds, },
+#ifdef CONFIG_DRM_SIMPLEDRM_BACKLIGHT
 	{ .parse_prop = parse_backlight, },
+#endif
 	{ .parse_prop = parse_gpio_compat, },
 	{ .parse_prop = parse_interrupts, },
 	{ .parse_prop = parse_regulators, },