video: fbdev: sh_mobile_lcdcfb: fix error return code in sh_mobile_lcdc_probe()

Fix to return error code -ENOMEM from the ioremap_nocache() error
handling case instead of 0, as done elsewhere in this function.

Cc: Kees Cook <[e-mail]>
Signed-off-by: Wei Yongjun <[e-mail]>
Reviewed-by: Geert Uytterhoeven <[e-mail]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[e-mail]>

drivers/video/fbdev/sh_mobile_lcdcfb.c

···
 		priv->forced_fourcc = pdata->ch[0].fourcc;
 
 	priv->base = ioremap_nocache(res->start, resource_size(res));
-	if (!priv->base)
+	if (!priv->base) {
+		error = -ENOMEM;
 		goto err1;
+	}
 
 	error = sh_mobile_lcdc_setup_clocks(priv, pdata->clock_source);
 	if (error) {