Devicetree for lenovo/520 is missing USB ports config, hence they
don't work. This change introduces USB port config.
Tests performed:
- Can select a boot media using a USB keyboard from any port.
- Can boot from each port except usb@1:1.1.
- Measured read speed from a thumb drive on each port 24.5-28.9 MiB/s.
Change-Id: I96dba153a563e0e290b96b837fdca39d7598ef17
Signed-off-by: PuFF1k <exopuf@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83764
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
0bdee9ca68