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

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

 reporter_name="Alexander BIGGA"

 reporter_url="http://sourceware.org/ml/crossgcc/2008-06/msg00031.html"