Fix an address in a comment.
Don't reset and unset _KERNEL if it's already defined.
Add initial support for relocating a DTB from a ROM to low memory
and passing it to the loader and kernel vi bootinfo.
Fix a printf.
Fix an address in a comment.
Avoid excess casts with some division.

Be a touch less verbose.
Merge branch 'master' into fdt-in-rom
Fix an address in a comment.
Merge changes to allow boot2 to find, relocated, and swap fdt data.