nios2: Calculate the env position from monitor size

Reorder the 10m50 and 3c120 config files such, that the environment
position can be calculated from the monitor size. The environment is
placed right after the monitor. This removes one more ad-hoc variable.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
2 files changed