FSP defined a special clock source usage 0x70 for PCH LAN device, update
that to google sarien platform.
BUG=b:120003760
TEST=Boot up into OS, ethernet able to be listed in ifconfig.
Change-Id: I9f945be4f0ce15470ab53f44e60143f3fd0fddf8
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/c/30100
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
ffe4aededf