Separate the architecture config file and function script.

/trunk/kconfig/kconfig.mk | 46 23 23 0 +++++++++++++++++++++++-----------------------
/trunk/scripts/crosstool.sh | 2 1 1 0 +-
/trunk/docs/overview.txt | 28 11 17 0 +++++++++++-----------------
3 files changed, 35 insertions(+), 41 deletions(-)

 # Compute IA-64-specific values

 CT_DoArchValues() {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}"

 }