pci: imx: display message if no pcie link

If CONFIG_PCI_SCAN_SHOW enabled then lets print a message of no link was
detected.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/drivers/pci/pcie_imx.c b/drivers/pci/pcie_imx.c
index fd7e4d4..ca485ba 100644
--- a/drivers/pci/pcie_imx.c
+++ b/drivers/pci/pcie_imx.c
@@ -588,7 +588,9 @@
 		udelay(10);
 		count++;
 		if (count >= 2000) {
-			debug("phy link never came up\n");
+#ifdef CONFIG_PCI_SCAN_SHOW
+			puts("PCI:   pcie phy link never came up\n");
+#endif
 			debug("DEBUG_R0: 0x%08x, DEBUG_R1: 0x%08x\n",
 			      readl(MX6_DBI_ADDR + PCIE_PHY_DEBUG_R0),
 			      readl(MX6_DBI_ADDR + PCIE_PHY_DEBUG_R1));