configs: seli8: set envsize to 0x4000

During the mainlining of the board this was by mistake set to sector size.
Our user space env scripts are expecting envsize of 0x4000, and setting
this differently will break our cross-platform compatibility.

Signed-off-by: Aleksandar Gerasimovski <aleksandar.gerasimovski@hitachi-powergrids.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
1 file changed