Allow appending a dtb blob to the binary and use it for identifying the
board. Fall back to nvram based identification in case of no dtb passed.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42119 3c298f89-4303-0410-b956-a3cf2f4a3e73