kunimitsu: Add FSP 2.0 support in romstage

Populate mainboard related Memory Init Params i.e, SPD
Rcomp values, DQ and DQs values.

Change-Id: Id62c43a72a0e34fa2e8d177ce895d395418e2347
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/16316
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
8 files changed