drm/komeda: Remove useless variable assignment

ret is not actually read after this (only written in one case then
returned), so this assign line is useless. This removes that assignment.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201127110027.133569-1-carsten.haitzler@foss.arm.com

drivers/gpu/drm/arm/display/komeda/komeda_dev.c

@@ -152,7 +152,6 @@ static int komeda_parse_dt(struct device *dev, struct komeda_dev *mdev)
 	ret = of_reserved_mem_device_init(dev);
 	if (ret && ret != -ENODEV)
 		return ret;
-	ret = 0;
 
 	for_each_available_child_of_node(np, child) {
 		if (of_node_name_eq(child, "pipeline")) {