[opus] TI DSP support

[Jean-Marc Valin]

On 29/08/16 03:54 PM, David Boles wrote:
> I see the following in arch.h
> 
> #elif defined (TI_C6X_ASM)
> #include "fixed_c6x.h"
> 
> But there does not seem to be a header file by that name in the 1.1.2 distribution.

The file's in Git, but it's not included in the distribution right now.
I don't think it's been tested since CELT version 0.3 or something. Can
you see if it actually works?

Cheers,

	Jean-Marc