mainboards/apollolake: use common Chrome EC SMI helpers

Reduce duplicate code by using the Chrome EC SMI helper functions.

BUG=chrome-os-partner:54977

Change-Id: Iba2ca7185ad7f0566858ce99f5ad8325ecc243cf
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/15687
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Shaunak Saha <shaunak.saha@intel.com>
2 files changed