sh: mach-ecovec24: modify 1st MTD area to read only

Tested-by: Yusuke Goda <goda.yusuke@renesas.com>
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
1 file changed