[PATCH 3/3] [ARC] Fix case-sensitivity for extension instructions.

[Nick Clifton]

Hi Claudiu,

> gas/
> 2017-09-20  Claudiu Zissulescu <claziss@synopsys.com>
> 
> 	* config/tc-arc.c (tokenize_extinsn): Convert to lower case the
> 	name of extension instructions.
> 	* testsuite/gas/arc/textinsn_case.d: New file.
> 	* testsuite/gas/arc/textinsn_case.s: Likewise.
 
Approved please apply.

Cheers
  Nick