[coreboot-gerrit] Change in SerialTest[master]: Add rough approximation of SerialTest scaffold

[Patrick Georgi (Code Review)]

Hello Martin Roth, Angel Pons, Dossym Nurmukhanov, ron minnich,

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

https://review.coreboot.org/c/SerialTest/+/39083

to look at the new patch set (#7).

Change subject: Add rough approximation of SerialTest scaffold
......................................................................

Add rough approximation of SerialTest scaffold

Includes:

- Accessing serial ports through servod
 - Sending lines of output through regular expressions
 - Creation of messages when regexps match
 - A set of demo events that track stage progression through bootblock,
   verstage, romstage, ramstage and depthcharge, and code to print some
   data when these events occur.

Lacks:

- Everything else

Change-Id: Iab8d507dee6087bf32280ad6845fdd2d7715bf5c
Signed-off-by: Patrick Georgi 
---
A .gitignore
A Makefile
A drivers/drivers.go
A drivers/servo/servo.go
A eve.toml
A events/events.go
A serialtest.go
7 files changed, 398 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/SerialTest refs/changes/83/39083/7