src: Get rid of device_t

Use of device_t is deprecated.

Change-Id: I6adc0429ae9ecc8f726d6167a6458d9333dc515f
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/soc/intel/cannonlake/uart.c

@@ -35,7 +35,11 @@
 
 static const struct port {
 	struct pad_config pads[2]; /* just TX and RX */
-	device_t dev;
+#if defined(__SIMPLE_DEVICE__)
+	pci_devfn_t dev;
+#else
+	struct device *dev;
+#endif
 } uart_ports[] = {
 	{.dev = PCH_DEV_UART0,
 	 .pads = { PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1), /* RX */