[coreboot-gerrit] Change in coreboot[master]: mb/google/puff: Enable HECI communication

[Jamie Chen (Code Review)]

Jamie Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/38676 )

Change subject: mb/google/puff: Enable HECI communication
......................................................................

mb/google/puff: Enable HECI communication

Set HeciEnabled = 1 on puff device tree to turn on
Intel ME communication interface.

BUG=b:143232330
BRANCH=None
TEST=Build puff and boot up OS.
     ran lspci and confirmed there is a HECI device.
     00:16.0 Communication controller: Intel Corporation Device 02e0

Change-Id: I2debb885022ae31e395869d014a91824b5dd980c
Signed-off-by: Jamie Chen 
---
M src/mainboard/google/hatch/variants/puff/overridetree.cb
1 file changed, 2 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/76/38676/1

diff --git a/src/mainboard/google/hatch/variants/puff/overridetree.cb b/src/mainboard/google/hatch/variants/puff/overridetree.cb
index d84b369..4ffbfed 100644
--- a/src/mainboard/google/hatch/variants/puff/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/puff/overridetree.cb
@@ -1,4 +1,6 @@
 chip soc/intel/cannonlake
+	# Enable heci communication
+	register "HeciEnabled" = "1"

register "SerialIoDevMode" = "{
    	[PchSerialIoIndexI2C0]  = PchSerialIoDisabled,