Make sure all -debug Kernels will have CONFIG_EDAC_DEBUG
    
    Due to the parsing logic, CONFIG_EDAC_DEBUG should be at
    config-nodebug, and not at config-*-generic, otherwise,
    this symbol will never be allowed, even geing at config-debug.
    
    Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>