configs: Add network device support for bx50v3 products

Modify b450v3, b650v3 and b850v3 defconfigs to enable the network devices
found in these products.

Signed-off-by: Ian Ray <ian.ray@ge.com>
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
diff --git a/configs/ge_b650v3_defconfig b/configs/ge_b650v3_defconfig
index 4e22e95..3af0630 100644
--- a/configs/ge_b650v3_defconfig
+++ b/configs/ge_b650v3_defconfig
@@ -15,7 +15,6 @@
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
-# CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
@@ -28,3 +27,8 @@
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_OF_LIBFDT=y
 # CONFIG_EFI_LOADER is not set
+CONFIG_NETDEVICES=y
+CONFIG_CMD_NET=y
+CONFIG_CMD_PCI=y
+CONFIG_E1000=y
+CONFIG_CMD_E1000=y