Staging: ramster: mark BROKEN

It can't seem to build properly, so let's just mark it broken until
stuff sorts itself out.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>