[S] Change in coreboot[master]: mb/hp/z220_series: Add configs for integrated XHCI

[Bill XIE (Code Review)]

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

Hello build bot (Jenkins), Paul Menzel,

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

https://review.coreboot.org/c/coreboot/+/67089

to look at the new patch set (#8).

Change subject: mb/hp/z220_series: Add configs for integrated XHCI
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mb/hp/z220_series: Add configs for integrated XHCI

Without these, all SuperSpeed ports are wired to EHCI #2.

"superspeed_capable_ports" and "xhci_switchable_ports" should fit both
CMT and SFF variants, while "xhci_overcurrent_mapping" may be specific
for a variant.

With this commit, SuperSpeed devices plugged in SuperSpeed ports are
wired to the XHCI on my own Z220 SFF.

Signed-off-by: Bill XIE 
Change-Id: Ifddecfd1d32ed6ab84d7eed8dc2d85d83cbebbcc
---
M src/mainboard/hp/z220_series/devicetree.cb
1 file changed, 22 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/89/67089/8