Kconfig: cmd: Make networking command dependent on NET

Enable networking command only when NET is enabled.
And remove selecting NET for CMD_NET

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/s5pc210_universal_defconfig b/configs/s5pc210_universal_defconfig
index 453ed7a..5014216 100644
--- a/configs/s5pc210_universal_defconfig
+++ b/configs/s5pc210_universal_defconfig
@@ -19,10 +19,7 @@
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_NET is not set
-CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y
 # CONFIG_CMD_MISC is not set
 CONFIG_CMD_EXT4_WRITE=y
@@ -46,3 +43,4 @@
 CONFIG_USB_GADGET_DWC2_OTG=y
 CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_USB_FUNCTION_THOR=y
+# CONFIG_REGEX is not set