Now that we have a dtc command that invokes the preprocessor, make use of it and replace the magic numbers with KEY_* defines. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 46391
Also readd image generation which was accidentally dropped in r43364. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 45165