Fix for iWMMXt tmcr and tmrc instructions

[Nick Clifton]

Hi Joseph,

> gas:
> 2006-07-26  Joseph Myers  <joseph@codesourcery.com>
> 
> 	* config/tc-arm.c (enum operand_parse_code): Add OP_RIWC_RIWG.
> 	(parse_operands): Handle it.
> 	(insns): Use it for tmcr and tmrc.
> 
> gas/testsuite:
> 2006-07-26  Joseph Myers  <joseph@codesourcery.com>
> 
> 	* gas/arm/iwmmxt.s: Test tmcr and tmrc with wcgr registers.
> 	* gas/arm/iwmmxt.d: Update.

Approved - please apply.

Cheers
   Nick