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/zynq_cse_qspi_defconfig b/configs/zynq_cse_qspi_defconfig
index 1d08dd2..80bb26c 100644
--- a/configs/zynq_cse_qspi_defconfig
+++ b/configs/zynq_cse_qspi_defconfig
@@ -40,11 +40,10 @@
 # CONFIG_CMD_ITEST is not set
 # CONFIG_CMD_SOURCE is not set
 # CONFIG_CMD_SETEXPR is not set
-# CONFIG_CMD_NET is not set
-# CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
 # CONFIG_PARTITIONS is not set
 CONFIG_OF_EMBED=y
+# CONFIG_NET is not set
 # CONFIG_DM_WARN is not set
 # CONFIG_DM_DEVICE_REMOVE is not set
 CONFIG_SPL_DM_SEQ_ALIAS=y