Don't set bit 2 of the return value of the _STA method in order for Windows not to show a warning about an unknown device in the device manager for this device. TEST=The unknown device with device instance path ACPI\AMD0040\3 disappeared from the device manager in Windows 10 build 19045 on a Mandolin board with a Picasso APU. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: If005f06843956004c281fd70cf364171148cb9ff Reviewed-on: https://review.coreboot.org/c/coreboot/+/68962 Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>