[PATCH][GAS][arm] Update Cortex-X1 feature flags

[Przemyslaw Wirkus]

> Subject: Re: [PATCH][GAS][arm] Update Cortex-X1 feature flags
> 
> Hi Przemyslaw,
> 
> > OK for master branch ?
> 
> > 2020-10-05  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
> >
> > 	* config/tc-arm.c: Update Cortex-X1 feature flags.

commit a417e439c2a08e391902e6430f78546a8bfafb67

> Approved - please apply.
> 
> Cheers
>   Nick
>