RFA: Add support for DWARF-based fixed point types

[Joel Brobecker]

Hi Simon,

> I gave some comments that are more on the coding style side of things,
> since I am that that familiar with fixed point types.  In general it
> seemed to make sense.  I'm fine with you merging this series, addressing
> the comments as you see fit.

Thanks a lot for the review!

I read through the comments, and from what I could see, I agree with
them all. I'll try to have a new version of the series over the weekend.

Thanks again!
-- 
Joel