This adds the pieces needs for memory testers to work in the makefile system
CONFIG:
SUPERGRUBDISK - which versions to snag of super grub disk - really this is either latest, all or undefined
Also includes a couple of small cleanups with respect to doing a make clean.
The intention will be to treat these as includes or template files going forward. Getting these committed so they are tracked in the tree properly. The
se have just been moved from their normal respective locations to here.
The makefiles will parse these, and likely in the interim, just copy them back into place