scripts: remove localversion "+" from kernel version strings
-O3 Optimization

* Well if we aren't going to use Linaro 4.8.3 might as well optimize it a little bit more!

Signed-off-by: Chester Kener <Cl3Kener@gmail.com>
Diablo 1.1

Signed-off-by: Chester Kener <Cl3Kener@gmail.com>