[L] Change in coreboot[main]: mb/asus/p8x7x-series: Add P8H77-M as a variant

[Keith Hui (Code Review)]

Attention is currently required from: Angel Pons, Fabian Groffen, Felix Singer, Keith Hui, Kevin Keijzer.

Keith Hui has posted comments on this change by Kevin Keijzer. ( https://review.coreboot.org/c/coreboot/+/78806?usp=email )

Change subject: mb/asus/p8x7x-series: Add P8H77-M as a variant
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Patch Set 6:

(2 comments)

File src/mainboard/asus/p8x7x-series/variants/p8h77-m/early_init.c:

https://review.coreboot.org/c/coreboot/+/78806/comment/5411be09_7b7efdc7?usp... :
PS6, Line 7: mainboard_usb_ports
This has (just) been moved to overridetree.cb.

https://review.coreboot.org/c/coreboot/+/78806/comment/6a80692a_79f12522?usp... :
PS6, Line 30: void mainboard_get_spd(spd_raw_data *spd, bool id_only)
SPD map has moved to overridetree for a while.