[PATCH] [ARC] GAS: add instruction relaxation.

[Nick Clifton]

Hi Claudiu,

> gas/
> 2016-01-26  Claudiu Zissulescu<claziss@synopsys.com>
> 	    Janek van Oirschot<jvanoirs@synopsys.com>
 
Approved and applied.

Cheers
  Nick

PS. You may notice a slight code reorganisation in tc-arc.c.  This was 
just to remove the need for some of the forward declarations, which 
IMHO should be avoided where possible.