ec/google/wilco/superio: Fix PS2K under Windows

PS2K device needs to be under PCI0, not LPCB, for Windows to
recognize it. Same change was made to ChromeEC previously.

Test: Boot Win11 on Drallion, verify built-in keyboard functional.

Change-Id: I12019592dfa1d869ba57c1ff6c25ac6bdeb7a300
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68463
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>

src/ec/google/wilco/acpi/superio.asl

@@ -36,7 +36,10 @@ Device (SIO)
 			EndDependentFn ()
 		})
 	}
+}
 
+Scope (\_SB.PCI0)
+{
 	Device (PS2K)
 	{
 		Name (_HID, EisaId ("PNP0303"))