mb/google/ocelot/var/matsu: Update devicetree

- Enable CNVi Wi-Fi and BT cores
- Remove unused tbt_pcie_rp0/rp1 nodes

BUG=b:463193164
TEST=Wifi/BT is enabled on Matsu.

Change-Id: Ie5ebf8b88c0ab31b0d2d36f3b7cda1225de77b1a
Signed-off-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90256
Reviewed-by: Bob Moragues <moragues@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Pranava Y N <pranavayn@google.com>

src/mainboard/google/ocelot/variants/matsu/overridetree.cb

@@ -24,6 +24,10 @@ chip soc/intel/pantherlake
 		[DDI_PORT_B] = DDI_ENABLE_HPD | DDI_ENABLE_DDC,
 	}"
 
+	# Enable CNVi Wi-Fi and Bluetooth
+	register "cnvi_wifi_core" = "true"
+	register "cnvi_bt_core" = "true"
+
 	register "serial_io_i2c_mode" = "{
 		[PchSerialIoIndexI2C0]  = PchSerialIoPci,
 		[PchSerialIoIndexI2C1]  = PchSerialIoPci,
@@ -197,8 +201,6 @@ chip soc/intel/pantherlake
 		end
 
 		device ref iaa off end
-		device ref tbt_pcie_rp0 on end
-		device ref tbt_pcie_rp1 on end
 		device ref tcss_xhci on
 			chip drivers/usb/acpi
 				device ref tcss_root_hub on