[S] Change in coreboot[master]: mb/google/myst: Enable S0ix

[Jon Murphy (Code Review)]

Jon Murphy has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/74279 )

Change subject: mb/google/myst: Enable S0ix
......................................................................

mb/google/myst: Enable S0ix

Enable s0ix on Myst.

BUG=b:277215113
TEST=builds

Change-Id: I3cabc2c3ba75f4490da18b861ef2b82ce240860d
---
M src/mainboard/google/myst/variants/baseboard/devicetree.cb
1 file changed, 16 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/79/74279/1

diff --git a/src/mainboard/google/myst/variants/baseboard/devicetree.cb b/src/mainboard/google/myst/variants/baseboard/devicetree.cb
index ed0404b..cd2c6ec 100644
--- a/src/mainboard/google/myst/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/myst/variants/baseboard/devicetree.cb
@@ -84,6 +84,8 @@

register "pspp_policy" = "DXIO_PSPP_DISABLED" # TODO(b/277214353): reenable when PSPP works

+	register "s0ix_enable" = "true"
+
    device domain 0 on
    	device ref lpc_bridge on
    		chip ec/google/chromeec