[coreboot] ACPI Errors on Lenovo X201i

[Matthias Gazzari]

Hello,

commit f1114d891865e70ae1f2ba58844fec11d055ae3a (ec/lenovo/h8/acpi: Add
BDC interface) introduces the following ACPI errors on the Lenovo X201i:

ACPI BIOS Error (bug): Could not resolve [_SB.EC.HKEY], AE_NOT_FOUND
(20180313/dswload2-160)
ACPI Error: AE_NOT_FOUND, During name lookup/catalog (20180313/psobject-221)
ACPI Error: Ignore error and continue table load
(20180313/psobject-604)
ACPI Error: Skipping Scope block (20180313/psloop-532)

and

ACPI BIOS Error (bug): Could not resolve
[_SB.PCI0.LPCB.EC.HKEY.GBDC.HBDC], AE_NOT_FOUND (20180313/psargs-330)
ACPI Error: Method parse/execution failed _SB.PCI0.LPCB.EC.HKEY.GBDC,
AE_NOT_FOUND (20180313/psparse-516)

Do you have any idea on how to fix these issues?

Cheers,
Matthias