sb/intel/lynxpoint/acpi: Update xHCI workarounds for LPT
Backport commit
cf544ac (broadwell: Remove XHCI workarounds on WPT).
Newer Lynxpoint reference code shows LPT-H also uses these workarounds.
Also, add the `ISWP` object (Name or Method) to test for WildcatPoint.
Change-Id: I76bc07e585e8af292c7316442760d1cfabf1e9c9
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46960
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>