rambi: Enable DPTF

This enables the DPTF framework, but it doesn't do much
without some sort of kernel+user components to drive it.

TEST=build and boot on rambi, dump DSDT and look over \_SB.DPTF

Change-Id: Icb632a6e70c3912bbdfa6ef3f5c87cd79d2b8a3a
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/179480
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/5003
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
4 files changed