x86: try harder to attach block2mtd to fix boot issues on devices with longer delays

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 40444

target/linux/generic/patches-3.13/440-block2mtd_init.patch

@@ -89,7 +89,7 @@
  		}
  	}
 +	if (token[2] && (strlen(token[2]) + 1 > 80))
-+		parse_err("mtd device name too long");
++		pr_err("mtd device name too long\n");
  
 -	add_device(name, erase_size);
 +	add_device(name, erase_size, token[2]);