Update CREDITS.
Eye-candy on overview.txt.

/trunk/docs/overview.txt | 4 2 2 0 ++--
/trunk/docs/CREDITS | 1 1 0 0 +
2 files changed, 3 insertions(+), 2 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

 }