drm: zte: use devm_of_platform_populate()

Use devm_of_platform_populate() to be sure that of_platform_depopulate
is called when removing the driver.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
CC: Shawn Guo <shawnguo@kernel.org>
CC: David Airlie <airlied@linux.ie>
CC: dri-devel@lists.freedesktop.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1496072763-31209-4-git-send-email-benjamin.gaignard@linaro.org

drivers/gpu/drm/zte/zx_drm_drv.c

@@ -196,7 +196,7 @@ static int zx_drm_probe(struct platform_device *pdev)
 	struct component_match *match = NULL;
 	int ret;
 
-	ret = of_platform_populate(parent, NULL, NULL, dev);
+	ret = devm_of_platform_populate(dev);
 	if (ret)
 		return ret;