boards: Disable NET on platforms without NETDEVICES

None of these platforms enabled a networking devices, and disabled
CMD_NET. Given that we used to gate network support on CMD_NET rather
than NET, we disable CONFIG_NET on these platforms now.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/origen_defconfig b/configs/origen_defconfig
index 3a71d6e..5e55b71 100644
--- a/configs/origen_defconfig
+++ b/configs/origen_defconfig
@@ -35,13 +35,13 @@
 CONFIG_CMD_GPT=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB_MASS_STORAGE=y
-# CONFIG_CMD_NET is not set
 CONFIG_CMD_CACHE=y
 # CONFIG_CMD_SLEEP is not set
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_OF_CONTROL=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+# CONFIG_NET is not set
 CONFIG_DFU_MMC=y
 CONFIG_SYS_DFU_DATA_BUF_SIZE=0x2000000
 CONFIG_MMC_DW=y