Change in libgfxinit[master]: gfx dp_aux: Add I2C_{Read,Write}_Byte procedures

[Angel Pons (Code Review)]

Attention is currently required from: Matt DeVillier, Arthur Heymans.
Hello Nico Huber, Matt DeVillier, Arthur Heymans,

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

https://review.coreboot.org/c/libgfxinit/+/51122

to look at the new patch set (#4).

Change subject: gfx dp_aux: Add I2C_{Read,Write}_Byte procedures
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gfx dp_aux: Add I2C_{Read,Write}_Byte procedures

These will be used to switch LSPCON modes in subsequent commits.

Change-Id: Ib66b073691282d0c89710b0591484d4123e039b7
Signed-off-by: Angel Pons 
---
M common/hw-gfx-dp_aux_ch.adb
M common/hw-gfx-dp_aux_ch.ads
2 files changed, 49 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/libgfxinit refs/changes/22/51122/4