mb/google/drallion: Add SPD files for drallion

mb/google/drallion: Add SPD files for drallion

This change adds SPD files for Drallion. Use spd_index
matrix to correspond mem_id. This can save the dummy spd index
to reduce the size of SPD.bin.

BUG=b:139397313
TEST=Compile successfully

Change-Id: I2f7e75fdbca4183bcd730e40fef4bfe280ab900b
Signed-off-by: Amanda Huang <amanda_hwang@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35346
Reviewed-by: John Su <john_su@compal.corp-partner.google.com>
Reviewed-by: Mathew King <mathewk@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>