net: pch_gbe: Convert to use DM PCI API

Use native DM PCI APIs instead of legacy compatible ones.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/net/pch_gbe.h b/drivers/net/pch_gbe.h
index afcb03d..0ea0c73 100644
--- a/drivers/net/pch_gbe.h
+++ b/drivers/net/pch_gbe.h
@@ -290,7 +290,7 @@
 	struct phy_device *phydev;
 	struct mii_dev *bus;
 	struct pch_gbe_regs *mac_regs;
-	pci_dev_t bdf;
+	struct udevice *dev;
 	int rx_idx;
 	int tx_idx;
 };