[PATCHSET] Fix platforms where we would need multilib in the install image.

[Bill Nottingham <notting redhat com>]

This is needed, for example, if someone wants to compose a tree with ppc64
as a primary arch (as the bootloader is 32-bit.)

 buildinstall.functions |   26 ++++++++++++++++++++------
 mk-images              |    2 +-
 scrubtree              |    2 +-
 3 files changed, 22 insertions(+), 8 deletions(-)