Check bootloader argument in mtd.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
[jogo@openwrt.org: split into two patches, one for detection,
one letting bcm63xxpart use it.]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 36659
