net: e1000: Convert to use DM PCI API

Update this driver to use proper DM PCI APIs.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/net/e1000.h b/drivers/net/e1000.h
index e46edcd..fcb7df0 100644
--- a/drivers/net/e1000.h
+++ b/drivers/net/e1000.h
@@ -1084,7 +1084,11 @@
 #endif
 	unsigned int cardnum;
 
+#ifdef CONFIG_DM_ETH
+	struct udevice *pdev;
+#else
 	pci_dev_t pdev;
+#endif
 	uint8_t *hw_addr;
 	e1000_mac_type mac_type;
 	e1000_phy_type phy_type;