[PATCH][GAS][AArch64] Enable dot product support by default to cores that support it.

[Nick Clifton]

Hi Tamar,

> gas/
> 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
> 
> 	* config/tc-aarch64.c (aarch64_cpus): Enable DOTPROD.

Approved and applied.

Cheers
  Nick