Rework a little bit of the LAN mirror and proxy settings.

/trunk/scripts/crosstool.sh | 105 4 101 0 +------------------------
/trunk/scripts/functions | 151 129 22 0 +++++++++++++++++++++++++++++++-----
/trunk/config/global/download.in | 193 99 94 0 ++++++++++++++++++++++++----------------------
3 files changed, 232 insertions(+), 217 deletions(-)

# Compute powerpc-specific values

CT_DoArchValues () {

    # The architecture part of the tuple:

    CT_TARGET_ARCH="${CT_ARCH}"

    # The kernel ARCH:

    CT_KERNEL_ARCH=powerpc

}