[M] Change in coreboot[main]: include/spd_bin.h: Add 3 SPD IO functions

[Name of user not set (Code Review)]

[e-mail] has uploaded a new patch set (#2). ( https://review.coreboot.org/c/coreboot/+/84201?usp=email )

Change subject: include/spd_bin.h: Add 3 SPD IO functions
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include/spd_bin.h: Add 3 SPD IO functions

Now SMBus calls the new SPD IO functions to retreive SPD data. The
default implementation is to forward to SMBus IO functions directly.

Based on this patch, SoC could provide another implementation of SPD IO
functions such as using Integrated Memory Controller to get SPD data.

Change-Id: I656298aeda409fca3c85266b5b8727fac9bfc917
Signed-off-by: Yuchi Chen 
---
M src/include/spd_bin.h
M src/soc/intel/common/block/smbus/Makefile.mk
M src/soc/intel/common/block/smbus/smbuslib.c
A src/soc/intel/common/block/smbus/spd_access.c
4 files changed, 40 insertions(+), 15 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/01/84201/2