* the original configurations are configured with stack checking
* the new configurations are configured with mpu stack guard
Signed-off-by: Wayne Ren <wei.ren@synopsys.com>
two configs are contained in this board
* nsim_em: em with arc MPUv2
* nsim_sem: em with arc SecureShield and MPUv3
Signed-off-by: Wayne Ren <wei.ren@synopsys.com>