Check the PCH's LPC device ID to know the system type instead of relying
on hardcoded numbers. The `get_pch_platform_type` function is MRC-safe.
Change-Id: Icfe7c2dccb7c7a178892ad3a2e34ca93b33b2bb9
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43124
Reviewed-by: Tristan Corrick <tristan@corrick.kiwi>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>