Patch merged into coreboot/master: ac1b6de lenovo/x230: Set xhci_switchable_ports and superspeed_capable_ports.

the following patch was just integrated into master:
commit ac1b6def75e8dd3cd792a55d85451fa6b43e472e
Author: Vladimir Serbinenko 
Date:   Sat Jan 31 17:46:29 2015 +0100

lenovo/x230: Set xhci_switchable_ports and superspeed_capable_ports.

Fixes USB3 ports degraded to USB2 speeds.

Change-Id: Ie71c9fb6e52a3e72bb1e61351ad1cc0492d93cbc
    Signed-off-by: Vladimir Serbinenko 
    Reviewed-on: http://review.coreboot.org/8313
    Reviewed-by: Kyösti Mälkki 
    Tested-by: build bot (Jenkins)

See http://review.coreboot.org/8313 for details.

-gerrit