Add a new apcb edit tool, apcb_v3a_edit.py, that injects SPDs into
an APCB for phoenix platform.
The tool makes several assumptions:
* Each SPD only uses blocks 0, 1, 3 and 5. All other blocks are zero.
* Each block is 64 bytes.
* Dimm and socket are always 0
* Unused SPD entries are zero'd
BUG=b:281983434
BRANCH=None
TEST=build, flash, boot myst
Change-Id: Ifb50287de77138170714a702ab87d56427aacfef
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76188
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
d6b58d5c76