[Patch][gas][arm] Make .fpu reset the FPU/Coprocessor feature bits

[Nick Clifton]

Hi Mihail,

> gas/ChangeLog:
> 
> 2019-11-11  Mihail Ionescu  <mihail.ionescu@arm.com>
> 
> 	* config/tc-arm.c (s_arm_fpu): Clear selected_cpu fpu bits.
> 	(fpu_any): Remove OBJ_ELF guards.
> 	* gas/testsuite/gas/arm/fpu-rst.s: New.
> 	* gas/testsuite/gas/arm/fpu-rst.d: New.
> 	* gas/testsuite/gas/arm/fpu-rst.l: New.

Approved - please apply.

Cheers
  Nick