U-Boot environment on the CC6UL NAND is located at partition /dev/mtd1:
- original copy is located at offset 0 in the partition
- redundant copy is located 1 erase block (128K) after the original copy
Signed-off-by: Hector Palacios <hector.palacios@digi.com>
https://jira.digi.com/browse/DEL-2552