[PATCH][GAS] arm: Add support for Cortex-A78C

[Przemyslaw Wirkus]

> Hi Przemyslaw,
> 
> > bfd/ChangeLog:
> >
> > 2020-11-04  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
> >
> > 	* cpu-arm.c (processors): Add Cortex-A78C.
> >
> > gas/ChangeLog:
> >
> > 2020-11-04  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
> >
> > 	* config/tc-arm.c (arm_cpus): Add Cortex-A78C.
> > 	* doc/c-arm.texi: Document -mcpu=cortex-a78c.
> > 	* testsuite/gas/arm/cpu-cortex-a78c.d: New test.
> 
> Approved - please apply.

commit 1bbda94fe0174714e296335e7cc744b5fb618525

> Cheers
>    Nick
>