The top level Makefile does not do any recursion into subdirs when
cleaning, so these clean/distclean targets in random arch/board dirs
never get used.  Punt them all.

MAKEALL didn't report any errors related to this that I could see.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

start with sheevaplug configuration
add modifications by Alexander Holler <holler@ahsoftware.de>
    change RAM definitions to one bank (128 MB)
    change ident string and prompt
define MTD partitions and default environment variables
add support for LEDs

Signed-off-by: Eric Cooper <ecc@cmu.edu>