[S] Change in coreboot[master]: device/xhci: Factor out `struct xhci_usb_info`

[Robert Zieba (Code Review)]

Attention is currently required from: Robert Zieba, Raul Rangel.

Hello build bot (Jenkins), Raul Rangel, Karthik Ramasubramanian,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/67934

to look at the new patch set (#6).

Change subject: device/xhci: Factor out `struct xhci_usb_info`
......................................................................

device/xhci: Factor out `struct xhci_usb_info`

This commit factors out `struct xhci_usb_info` from intel specific code
as it will be useful on other platforms.

BUG=b:186792595
TEST=Builds for volteer

Change-Id: I5b4cc6268f072c6948f11c7498a564d7a5c0a190
Signed-off-by: Robert Zieba 
---
M src/include/device/xhci.h
M src/soc/intel/common/block/include/intelblocks/xhci.h
2 files changed, 31 insertions(+), 14 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/34/67934/6