[PATCH 5/8] math: Sync log with Arm Optimized Routines

[Florian Weimer]

* Adhemerval Zanella:

> Sync with commit 712aa21 for log.c and 189dfef for log_data.c.
> No functional change.
>
> Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu.

There seems to be extra whitespace in the commit subject.

Thanks,
Florian