Commonalise config.gen/{arch,kernel}.in generation.

/trunk/kconfig/kconfig.mk | 76 34 42 0 ++++++++++++++++++++++++-----------------------------
1 file changed, 34 insertions(+), 42 deletions(-)

 # Compute x86_64-specific values

 CT_DoArchValues() {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}"

 }