tegra: Report errors from PCI init

This function can fail, so be sure to report any errors that occur.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/pci/pci_tegra.c b/drivers/pci/pci_tegra.c
index 5a7fefe..5dadf6f 100644
--- a/drivers/pci/pci_tegra.c
+++ b/drivers/pci/pci_tegra.c
@@ -465,7 +465,11 @@
 		return err;
 	}
 
-	tegra_pcie_board_init();
+	err = tegra_pcie_board_init();
+	if (err < 0) {
+		error("tegra_pcie_board_init() failed: err=%d", err);
+		return err;
+	}
 
 	pcie->phy = tegra_xusb_phy_get(TEGRA_XUSB_PADCTL_PCIE);
 	if (pcie->phy) {