powerpc: Remove Power8 DD1 from cputable

[Michael Ellerman]

On Wed, 2018-07-11 at 06:02:58 UTC, Joel Stanley wrote:
> This was added to support an early version of Power8 that did not have
> working doorbells. These machines were not publicly available, and all of
> the internal users have long since upgraded.
> 
> Signed-off-by: Joel Stanley <joel at jms.id.au>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/e11b64b1ef336f8976e5bf194b0eed

cheers