[S] Change in coreboot[master]: pc80/i8254: Add speaker beep function

[Michał Żygowski (Code Review)]

Attention is currently required from: Michał Żygowski.

Hello build bot (Jenkins), Angel Pons,

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

https://review.coreboot.org/c/coreboot/+/68100

to look at the new patch set (#2).

Change subject: pc80/i8254: Add speaker beep function
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pc80/i8254: Add speaker beep function

Some platforms have an onboard speaker which could be used as an
indicator of successful boot or critical error, e.g. in die_notify
function. The function assumes that SPKR GPIO is properly configured
by the platform code.

Signed-off-by: Michał Żygowski 
Change-Id: I8189b3462bb5140af352fa786db3a6a2a45076f2
---
M src/drivers/pc80/pc/i8254.c
M src/include/pc80/i8254.h
2 files changed, 38 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/00/68100/2