media: samsung: exynos4-is: drop simple-bus from compatibles

The FIMC camera node wrapper is not a bus, so using simple-bus fallback
compatible just to instantiate its children nodes was never correct.
Driver should explicitly populate all its children devices.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/samsung/exynos4-is/media-dev.c

@@ -1440,6 +1440,10 @@ static int fimc_md_probe(struct platform_device *pdev)
 	if (!fmd)
 		return -ENOMEM;
 
+	ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
+	if (ret < 0)
+		return -ENOMEM;
+
 	spin_lock_init(&fmd->slock);
 	INIT_LIST_HEAD(&fmd->pipelines);
 	fmd->pdev = pdev;