[S] Change in coreboot[master]: mb/google/rex: Enable RFIM for CNVi

[Angel Pons (Code Review)]

Angel Pons has submitted this change. ( https://review.coreboot.org/c/coreboot/+/67791 )

Change subject: mb/google/rex: Enable RFIM for CNVi
......................................................................

mb/google/rex: Enable RFIM for CNVi

This patch enables the radio frequency interference mitigation for Rex.

BUG=b:248391777
TEST=Booted to OS on Rex board. Verified RFIM DSM is presented to kernel
through ACPI SSDT.

Change-Id: I22f9861452c2c222dd7a33bfeb02c63b026bf2f7
Signed-off-by: zhaojohn 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67791
Tested-by: build bot (Jenkins) 
Reviewed-by: Subrata Banik 
Reviewed-by: Sumeet R Pawnikar 
Reviewed-by: Angel Pons 
Reviewed-by: Eric Lai 
---
M src/mainboard/google/rex/variants/rex0/overridetree.cb
1 file changed, 23 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Sumeet R Pawnikar: Looks good to me, approved
  Angel Pons: Looks good to me, but someone else must approve
  Subrata Banik: Looks good to me, approved
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index 7cf950e..00cbe8c 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -229,6 +229,7 @@
    		chip drivers/wifi/generic
    			register "wake" = "GPE0_PME_B0"
    			register "is_untrusted" = "true"
+				register "enable_cnvi_ddr_rfim" = "true"
    			device generic 0 on end
    		end
    	end