[M] Change in coreboot[master]: soc/amd/mendocino: Enable XHCI wake event logging

[Raul Rangel (Code Review)]

Attention is currently required from: Robert Zieba, Jason Glenesk, Matt DeVillier, Angel Pons, Fred Reitberger, Karthik Ramasubramanian, Felix Held.

Raul Rangel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/67938 )

Change subject: soc/amd/mendocino: Enable XHCI wake event logging
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Patch Set 7:

(2 comments)

File src/soc/amd/mendocino/xhci.c:

PS7: 
Different CL please

File src/soc/amd/mendocino/xhci_elog.c:

https://review.coreboot.org/c/coreboot/+/67938/comment/7f9fca34_27f0a346 
PS7, Line 9: .usb2_port_status_reg = 0x420,
           : 		.num_usb2_ports = 2,
           : 		.usb3_port_status_reg = 0x440,
           : 		.num_usb3_ports = 1
Why the magic numbers? We can use the functions in https://source.chromium.org/chromium/chromiumos/third_party/coreboot/+/main:... so we don't need to hard code anything.