[PATCH] Fix spelling errors

[Nick Clifton]

Hi Christian,

> bfd/ChangeLog:
> 
> 2020-01-16  Christian Biesinger  <cbiesinger@google.com>
> 
> 	* coff-arm.c: Fix spelling error (seperate).
> 	* elfxx-riscv.c (riscv_parse_sv_or_non_std_ext): Fix spelling
> 	error (seperate).
> 	* sysdep.h (strnlen): Fix spelling error (seperate).
> 
> opcodes/ChangeLog:
> 
> 2020-01-16  Christian Biesinger  <cbiesinger@google.com>
> 
> 	* opintl.h: Fix spelling error (seperate).
> 
> sim/arm/ChangeLog:
> 
> 2020-01-16  Christian Biesinger  <cbiesinger@google.com>
> 
> 	* iwmmxt.c: Fix spelling error (seperate).

Approved - please apply.

Cheers
  Nick