The mainboard ASL code contained a power button definition. This is not
required as the system uses the standard ACPI power button.
Remove the PWRB device from ASL.
BUG=N/A
TEST=tested using fwts on a facebook monolith.
Found-by: fwts 19.12.00
Change-Id: I25a842539ee2e8febc8a1ae88843a71ccb4ee68e
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38133
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
aa1eff3031