[opus] AM335x ARM Cortex-A8 performance drop opus 1.1

[Sebastian Reimers]

> Sorry. I meant that in a _fixed_point_ build the new analysis code is
> enabled only at complexity setting 10. It's currently enabled for
> floating point builds at complexity 7 or higher. Both fixed and float
> builds default to complexity 9 in 1.1.

Ok this could explain why --comp 6 is nearly the same as --comp 10 with
1.0.3 ?