Change in coreboot[master]: mb/prodrive/hermes: Drop Vref configuration for older boards

[Patrick Rudolph (Code Review)]

Attention is currently required from: Justin van Son, Christian Walter.
Patrick Rudolph has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/51919 )

Change subject: mb/prodrive/hermes: Drop Vref configuration for older boards
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Patch Set 1:

(2 comments)

File src/mainboard/prodrive/hermes/variants/r04/hda_verb.c:

https://review.coreboot.org/c/coreboot/+/51919/comment/fc3c4b2d_db85724c 
PS1, Line 42: 		return AZALIA_PIN_DESC(
> The driver won't detect a valid pin configuration when AZALIA_PIN_DESC is used. […]

Should this use a separate association? Maybe 0x4 instead of 0xf?
Other verb tables set the type to ANALOG instead of UNKNOWN.
No_presence_detect should be true.

https://review.coreboot.org/c/coreboot/+/51919/comment/ab8684e5_630b9773 
PS1, Line 69: 		0x018707e1, /* port B VREF 50% of LDO-OUT */
> You don't need any of the 707 verbs, as they will get reset by realtek driver anyway

will drop them here.