powerpc: Allow CPU selection of G4/74xx variant

[Michael Ellerman]

On Mon, 2019-01-14 at 20:13:04 UTC, Mathieu Malaterre wrote:
> GCC supports -mcpu=G4
> 
> This patch gives the opportunity to select ALTIVEC for this variant.
> 
> Signed-off-by: Mathieu Malaterre <malat at debian.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/9bd10b649826774bb5e1e7fb67544e65

cheers