mb/google/rex/variants/deku: Enable CNVi PCI device

BUG=b:305793886
TEST=util/abuild/abuild -p none -t google/rex -x -a -b deku

Change-Id: I41a64252f08304ffc66fd782e54720252064ca49
Signed-off-by: Eran Mitrani <mitrani@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79398
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/mainboard/google/rex/variants/deku/overridetree.cb b/src/mainboard/google/rex/variants/deku/overridetree.cb
index 86a015cf..9c35338 100644
--- a/src/mainboard/google/rex/variants/deku/overridetree.cb
+++ b/src/mainboard/google/rex/variants/deku/overridetree.cb
@@ -250,6 +250,14 @@
 				end
 			end
 		end
+		device ref cnvi_wifi on
+			chip drivers/wifi/generic
+				register "wake" = "GPE0_PME_B0"
+				register "add_acpi_dma_property" = "true"
+				register "enable_cnvi_ddr_rfim" = "true"
+				device generic 0 on end
+			end
+		end
 		device ref i2c4 on
 			chip drivers/i2c/tpm
 				register "hid" = ""GOOG0005""