[S] Change in coreboot[master]: mb/intel/adlrvp: Enable RTD3 root port mutex for WWAN

[Paul Menzel (Code Review)]

Attention is currently required from: Bora Guvendik, Hannah Williams, Anil Kumar K, Cliff Huang, Sridhar Siricilla.

Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/73383 )

Change subject: mb/intel/adlrvp: Enable RTD3 root port mutex for WWAN
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Patch Set 5:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/73383/comment/468ea295_33ba2db7 
PS5, Line 11: For more details, please reference the commit message in:
            : https://review.coreboot.org/c/coreboot/+/73380
            : https://review.coreboot.org/c/coreboot/+/73381/comments/d32ae39c_c41b9664
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https://review.coreboot.org/c/coreboot/+/73383/comment/9bdb4300_6e2448e4 
PS5, Line 14: 
No BUG=?