[S] Change in coreboot[main]: Documentation/mb/asus/p8z77-m: Document latest test results

[Keith Hui (Code Review)]

Attention is currently required from: Angel Pons, Kevin Keijzer, Paul Menzel.

Keith Hui has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/78204?usp=email )

Change subject: Documentation/mb/asus/p8z77-m: Document latest test results
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Patch Set 2:

(1 comment)

File Documentation/mainboard/asus/p8z77-m.md:

https://review.coreboot.org/c/coreboot/+/78204/comment/b88537b0_36d92a69 :
PS2, Line 106: It appears all memory modules rated for DDR3-1600 will fail to boot if
             :   max_mem_clock_mhz is set to 800 in devicetree.
> No, the *sticky* scratchpad register persists across warm reboots, so they'd work for this purpose. […]

Rebase done, but I'm running into problems over there too. Take a look.