pci: layerscape: fix a dead loop issue

Fixes: commit 8ec619f8fd ("pci: layerscape: Fixup PCIe EP
	mode DT nodes for LX2160A rev2")

This added the PCIe EP nodes fixup of LX2160A, but it
didn't update the condition value when there isn't a
property 'apio-wins'.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
[Fixed checkpatch error]
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>

drivers/pci/pcie_layerscape_fixup_common.c

@@ -99,6 +99,8 @@ int lx2_board_fix_fdt(void *fdt)
 		if (!prop) {
 			printf("%s: Failed to fixup PCIe EP node @0x%x\n",
 			       __func__, off);
+			off = fdt_node_offset_by_compatible(fdt, off,
+							    "fsl,lx2160a-pcie-ep");
 			continue;
 		}