[PATCH] [ARC] Improve filtering instructions while disassembling.

[Claudiu Zissulescu]

> 
> Approved and applied.
> 
> Note - I did make a couple of small changes.  I changed the code in the
> disassembler to print out the warning message using the print function
> and stream found in the disassemble_info structure.  Plus I added an entry
> in the binutils/NEWS file mentioning this new feature.

Thank you,
Claudiu