[PATCH, binutils/ARM] Remove _S version or MSR/MRS special registers

[Nick Clifton]

Hi Thomas,

> *** gas/ChangeLog ***
> 2016-08-11  Thomas Preud'homme  <thomas.preudhomme@arm.com>
> 
>         * config/tc-arm.c (v7m_psrs): Remove msp_s, MSP_S, psp_s and PSP_S
>         special registers.
>         * testsuite/gas/arm/archv8m-cmse-msr.s: Remove test for above special
>         registers.
>         * testsuite/gas/arm/archv8m-cmse-msr-base.d: Likewise.
>         * testsuite/gas/arm/archv8m-cmse-msr-main.d: Likewise.
>         * testsuite/gas/arm/archv8m-main-dsp-4.d: Likewise.
> 
> Is this ok for master and more importantly binutils-2_27-branch?

Approved for mainline.  Check with Tristan for the branch, although I do not forsee any problems.

Cheers
  Nick