google/fizz: Configure memory

Read DRAM SPD and populate MemorySpdPtr fields
in UPD data structure for FSP.

BUG=b:36490168, b:35775024
BRANCH=None
TEST=./util/abuild/abuild -p none -t google/fizz -x -a
     We are currently working on bringup and have no
     hardware to test on yet.

Change-Id: I191cc6bf1fd8aa461855c538b48fd39e3ffd7848
Signed-off-by: Shelley Chen <shchen@chromium.org>
Reviewed-on: https://review.coreboot.org/19205
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2 files changed