Change in coreboot[master]: mb/intel/shadowmountain: Update HDMI audio mode to 8T

[Sugnan Prabhu S (Code Review)]

Attention is currently required from: V Sowmya, Paul Menzel.
Sugnan Prabhu S has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/51273 )

Change subject: mb/intel/shadowmountain: Update HDMI audio mode to 8T
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Patch Set 3:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/51273/comment/cb1ebd37_d647899f 
PS2, Line 9: latest FSP
> Please add the exact version.

Done

https://review.coreboot.org/c/coreboot/+/51273/comment/087ed7fa_a353ff9d 
PS2, Line 10:
> What is the current audio mode? How did you test it?

Done