board: traverse: ten64: add NAND based OpenWrt bootcmd

The default Ten64 MTD configuration reserves two ubifs partitions
for OpenWrt residing on NAND flash. Add the bootcmd for this system
into the default environment.

Signed-off-by: Mathew McBride <matt@traverse.com.au>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
1 file changed