video: fsl-diu-fb: Delete an error message for a failed memory allocation in fsl_diu_init()

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Timur Tabi <timur@tabi.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

drivers/video/fbdev/fsl-diu-fb.c

@@ -1960,12 +1960,8 @@ static int __init fsl_diu_init(void)
 
 	of_node_put(np);
 	coherence_data = vmalloc(coherence_data_size);
-	if (!coherence_data) {
-		pr_err("fsl-diu-fb: could not allocate coherence data "
-		       "(size=%zu)\n", coherence_data_size);
+	if (!coherence_data)
 		return -ENOMEM;
-	}
-
 #endif
 
 	ret = platform_driver_register(&fsl_diu_driver);