[S] Change in coreboot[main]: mb/google/brox: Enable WLAN

[Shelley Chen (Code Review)]

Shelley Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/79888?usp=email )

Change subject: mb/google/brox: Enable WLAN
......................................................................

mb/google/brox: Enable WLAN

BUG=b:311450057,b:300690448
BRANCH=None
TEST=to be tested on device with lspci

Change-Id: I361bef13ebd073b6fccb729a1960d3832cf2681a
Signed-off-by: Shelley Chen 
---
M src/mainboard/google/brox/variants/brox/overridetree.cb
1 file changed, 12 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/88/79888/1

diff --git a/src/mainboard/google/brox/variants/brox/overridetree.cb b/src/mainboard/google/brox/variants/brox/overridetree.cb
index c0d5c2c..e47b07c 100644
--- a/src/mainboard/google/brox/variants/brox/overridetree.cb
+++ b/src/mainboard/google/brox/variants/brox/overridetree.cb
@@ -168,6 +168,18 @@
    		}"
    		probe STORAGE STORAGE_NVME
    	end
+		device ref pcie_rp5 on
+			# Enable wlan PCIe 5 using clk 2
+			register "pch_pcie_rp[PCH_RP(5)]" = "{
+				.clk_src = 2,
+				.clk_req = 2,
+				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+			chip drivers/wifi/generic
+				register "add_acpi_dma_property" = "true"
+				device generic 0 on end
+			end
+		end
    	device ref ish on
    		chip drivers/intel/ish
    			register "add_acpi_dma_property" = "true"