mb/google/brask/variants/moli: change clk_src and clk_req for LAN_I225V

change clk_src and clk_req to 4 for LAN_I225V based on
ADL_Moli_SC_MB_20220601.pdf.

BUG=b:235768639
TEST=emerge-brask coreboot and check LAN_I225V can connect.

Signed-off-by: Raihow Shi <raihow_shi@wistron.corp-partner.google.com>
Change-Id: I323726df84d07703402da9da44b1882a0cdc1e33
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65105
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/mainboard/google/brya/variants/moli/overridetree.cb b/src/mainboard/google/brya/variants/moli/overridetree.cb
index c9dd411..2a8526a 100644
--- a/src/mainboard/google/brya/variants/moli/overridetree.cb
+++ b/src/mainboard/google/brya/variants/moli/overridetree.cb
@@ -83,10 +83,10 @@
 			end
 		end # Audio Nau8825
 		device ref pcie_rp6 on
-			# Enable PCIe-to-i225 bridge PCIe 6 using clk 5
+			# Enable PCIe-to-i225 bridge PCIe 6 using clk 4
 			register "pch_pcie_rp[PCH_RP(6)]" = "{
-				.clk_src = 5,
-				.clk_req = 5,
+				.clk_src = 4,
+				.clk_req = 4,
 				.flags = PCIE_RP_LTR | PCIE_RP_AER,
 				.pcie_rp_aspm = ASPM_DISABLE,
 			}"