When the device name doesn't already contain "RouterBOARD", this patch adds
this string to the machine name.
Most NOR devices already have "RouterBOARD" in their hardware-stored device name,
but not all of them.
This patch also makes the code more robust against buffer overflows.
Signed-off-by: Thibaut VARENE <hacks@slashdirt.org>
e1f3cf7ede