mb/google/poppy/variants/nocturne: enable eist

Enable Enhanced Intel SpeedStep (EIST) on nocturne.

Change-Id: Ie9b832f5bc3a5ef300783bd9bcd7cf5d186b98fa
Signed-off-by: Matt Delco <delco@chromium.org>
Reviewed-on: https://review.coreboot.org/28103
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
1 file changed