soc/intel/cannonlake: Add PCH ID support in bootblock/report_platform.c

This patch ensures that all required information for pch/mch/igd
deviceid and revision are available in single stage and makes
use of local references.

TEST=Build and boot cannonlake_rvp to get PCH information as below
PCH: device id xxxx (rev xx) is Cannonlake-Y Premium

Change-Id: I420e94043145e8a5adcf8bb51239657891915d84
Signed-off-by: Subrata Banik <>
Tested-by: build bot (Jenkins) <>
Reviewed-by: Furquan Shaikh <>
Reviewed-by: Aaron Durbin <>
2 files changed