drivers: char: misc: Replace printk with pr_err.

Replace printk with pr_err to fix the checkpatch issue.

Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 1312e29d..c9cd1ea 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -294,7 +294,7 @@ static int __init misc_init(void)
 	return 0;
 
 fail_printk:
-	printk("unable to get major %d for misc devices\n", MISC_MAJOR);
+	pr_err("unable to get major %d for misc devices\n", MISC_MAJOR);
 	class_destroy(misc_class);
 fail_remove:
 	if (ret)