[PATCH][GCC] aarch64: Add support for Cortex-A78C

[Przemyslaw Wirkus]

> > OK for master ?
> >
> > gcc/ChangeLog:
> >
> > 	* config/aarch64/aarch64-cores.def (AARCH64_CORE): Add Cortex-
> A78C core.
> > 	* config/aarch64/aarch64-tune.md: Regenerate.
> > 	* doc/invoke.texi: Update docs.
> 
> OK, thanks.
> Richard

commit cf7efe2d36f4f940afebae04fc342dbd3d386b9b