BUG=b:153888802
TEST=Able to list correct PCH revision, SPI/eSPI frequency as per
ADL SPI flash guide.
Without this CL :
PCH Revision: 500 series Tiger Point
With this CL :
PCH Revision: 500 series Tiger Point/ 600 series Alder Point
Change-Id: I0faf0f0fdb625ff82eb0033b5b77e6470971bc23
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45808
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>