[M] Change in coreboot[master]: soc/intel/ehl: Add MDIO operation to TSN GbE device

[Arthur Heymans (Code Review)]

Attention is currently required from: Mario Scheithauer, Angel Pons, Lean Sheng Tan.

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/69383 )

Change subject: soc/intel/ehl: Add MDIO operation to TSN GbE device
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Patch Set 12:

(2 comments)

File src/soc/intel/elkhartlake/tsn_gbe.c:

https://review.coreboot.org/c/coreboot/+/69383/comment/955f80d8_8c9e9be3 
PS12, Line 104: (void *)(uintptr_t)gbe_tsn_res->base
Use res2mmio

https://review.coreboot.org/c/coreboot/+/69383/comment/d1643cd5_7991f98d 
PS12, Line 161: &
& is not needed with function pointers.