board: ge: bx50v3: make network support optional and disabled by default

The network support is only useful for development and shouldn't be enabled
in production, so it has to be disabled in U-boot by default.

Signed-off-by: Andrew Shadura <andrew.shadura@collabora.co.uk>

configs/ge_b450v3_defconfig

@@ -9,9 +9,7 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
+CONFIG_CMD_NET=n
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y

configs/ge_b650v3_defconfig

@@ -9,9 +9,7 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
+CONFIG_CMD_NET=n
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y

configs/ge_b850v3_defconfig

@@ -9,9 +9,7 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
+CONFIG_CMD_NET=n
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y

include/configs/ge_bx50v3.h

@@ -103,6 +103,7 @@
 #endif
 
 /* Networking Configs */
+#ifdef CONFIG_NET
 #define CONFIG_FEC_MXC
 #define CONFIG_MII
 #define IMX_FEC_BASE			ENET_BASE_ADDR
@@ -111,6 +112,7 @@
 #define CONFIG_FEC_MXC_PHYADDR		4
 #define CONFIG_PHYLIB
 #define CONFIG_PHY_ATHEROS
+#endif
 
 /* Serial Flash */
 #ifdef CONFIG_CMD_SF