[S] Change in coreboot[master]: src/ec/intel: Create common code for board_id implementation

[Harsha B R (Code Review)]

Attention is currently required from: Martin L Roth, Subrata Banik, Rizwan Qureshi, Krishna P Bhat D.

Hello build bot (Jenkins), Martin L Roth, Subrata Banik, Rizwan Qureshi, Krishna P Bhat D, Ronak Kanabar,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/70227

to look at the new patch set (#5).

Change subject: src/ec/intel: Create common code for board_id implementation
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src/ec/intel: Create common code for board_id implementation

This patch creates initial common code structure for board_id
implementation for intel rvp platforms. Board_id helps in
identifying the platform with respect to CHROME_EC and INTEL_EC
(Windows_EC). Changes include
1. Create initial board_id.c and board_id.h
2. Modify the Makefile to include src/ec/intel directory

BUG=b:260654043
TEST=Able to build with the patch and boot the mtlrvp platform with the
subsequent patches in the train

Signed-off-by: Harsha B R 
Change-Id: If133f6a72b8c3e1d8811a11f91e4556beb8c16e0
---
M Makefile.inc
A src/ec/intel/Makefile.inc
A src/ec/intel/board_id.c
A src/ec/intel/board_id.h
4 files changed, 48 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/27/70227/5