drm/exynos/hdmi: add a missing tab

Smatch warns that the if statement isn't indented.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160512195457.GA19095@mwanda

drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -1626,7 +1626,7 @@ static int hdmi_clk_init(struct hdmi_context *hdata)
 
 	clks = devm_kzalloc(dev, sizeof(*clks) * count, GFP_KERNEL);
 	if (!clks)
-	return -ENOMEM;
+		return -ENOMEM;
 
 	hdata->clk_gates = clks;
 	hdata->clk_muxes = clks + drv_data->clk_gates.count;