x86: crownbay: Enable Intel E1000 NIC support

We don't have driver for the Intel Topcliff PCH Gigabit Ethernet
controller for now, so enable the Intle E1000 NIC support, which
can be plugged into any PCIe slot on the Crown Bay board.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

board/intel/crownbay/crownbay.c

@@ -7,6 +7,7 @@
 #include <common.h>
 #include <asm/ibmpc.h>
 #include <asm/pnp_def.h>
+#include <netdev.h>
 #include <smsc_lpc47m.h>
 
 #define SERIAL_DEV PNP_DEV(0x2e, 4)
@@ -24,3 +25,8 @@ void setup_pch_gpios(u16 gpiobase, const struct pch_gpio_map *gpio)
 {
 	return;
 }
+
+int board_eth_init(bd_t *bis)
+{
+	return pci_eth_init(bis);
+}

include/configs/crownbay.h

@@ -37,6 +37,7 @@
 
 #define CONFIG_SYS_EARLY_PCI_INIT
 #define CONFIG_PCI_PNP
+#define CONFIG_E1000
 
 #define CONFIG_STD_DEVICES_SETTINGS     "stdin=serial\0" \
 					"stdout=serial\0" \