Revision 89

Files needs for booting a payload. We are reducing the number of
directories in include, since having all those directories has obscured
understanding. 

Add elfboot.c to lib. Same argument, it is not in boot, it is in lib,
since fewer directories is better. 

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>