scripts/bitbake: unbreak the git version comparison
With the current code, we're calling awk to do a floating point comparison
between '1.7.0.4' and '1.7.5' (on an ubuntu 10.04 LTS machine). These clearly
aren't proper floating point numbers, and the comparison is incorrect. It's
returning true for 1.7.0.4 >= 1.7.5.
Instead of using a floating point comparison for this, call out to python and
let it do it.
Signed-off-by: Christopher Larson <chris_larson@mentor.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
