Introduce using a LAN mirror for retrieving tarballs.

/trunk/scripts/functions | 40 36 4 0 ++++++++++++-
/trunk/config/global/download.in | 146 115 31 0 ++++++++++++++++++++++++++++++++++++----------
2 files changed, 151 insertions(+), 35 deletions(-)

# powerpc specific configuration file

config ARCH_powerpc

    select ARCH_SUPPORT_ABI

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    help

      The PowerPC architecture, as defined by:

        http://www.ibm.com/developerworks/eserver/articles/archguide.html