Change in coreboot[master]: mb/google/dedede: Enable HECI

[Aseda Aboagye (Code Review)]

Aseda Aboagye has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/52196 )

Change subject: mb/google/dedede: Enable HECI
......................................................................

mb/google/dedede: Enable HECI

This commit enables HECI such that interface can be used from
userspace on the dedede mainboards.

BUG=b:184219504
TEST=Build and flash drawcia, verify that Intel Flash Programming Tool
can communicate with the Converged Security Engine.

Signed-off-by: Aseda Aboagye 
Change-Id: I5b28c471d6554a5e14538073d48ef47da05936fc
---
M src/mainboard/google/dedede/variants/baseboard/devicetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/96/52196/1

diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
index bb76c9c..69dd89c 100644
--- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
@@ -189,6 +189,9 @@
    #       - PM_CFG.SLP_LAN_MIN_ASST_WDTH
    register "PchPmPwrCycDur" = "1"       # 1s

+	# Enable HECI
+	register "HeciEnabled" = "1"
+
    device domain 0 on
    	device pci 00.0 on end # Host Bridge
    	device pci 02.0 on end # Integrated Graphics Device