pci: apple: Initialize only enabled ports

The Linux devicetrees for Apple silicon devices are after review
feedback switching from deleting unused PCIe ports to disabling them.

Link: https://lore.kernel.org/asahi/1ea2107a-bb86-8c22-0bbc-82c453ab08ce@linaro.org/
Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
diff --git a/drivers/pci/pcie_apple.c b/drivers/pci/pcie_apple.c
index 9b08e1e..b934fdb 100644
--- a/drivers/pci/pcie_apple.c
+++ b/drivers/pci/pcie_apple.c
@@ -315,6 +315,8 @@
 	for (of_port = ofnode_first_subnode(dev_ofnode(dev));
 	     ofnode_valid(of_port);
 	     of_port = ofnode_next_subnode(of_port)) {
+		if (!ofnode_is_enabled(of_port))
+			continue;
 		ret = apple_pcie_setup_port(pcie, of_port);
 		if (ret) {
 			dev_err(pcie->dev, "Port %d setup fail: %d\n", i, ret);