- prepare for building without included bootloader binary - allow specifying a bootloader.bin file on the command line git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22479 a1c6a512-1295-4272-9138-f99709370657
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21271 a1c6a512-1295-4272-9138-f99709370657
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21260 a1c6a512-1295-4272-9138-f99709370657