nsim_sem board does not work

[nashif]

The simulator configuration for ARC SEM (nsim_sem) is not working, no output from console.

@ruuddw @andrewboie FYI

[nashif]

output from console:

Using runner: arc-nsim
11:59:13.923682 WARN:Unhandled property: nsim_isa_enable_sec_timer_0
11:59:13.923751 WARN:Unhandled property: nsim_isa_stimer_0_int_level
11:59:13.923774 WARN:Unhandled property: mpu_sid_option
11:59:13.923822 WARN:Unhandled property: nsim_isa_intvbase_preset_s
11:59:13.923885 WARN:Unhandled property: nsim_isa_sec_modes_option
11:59:13.923896 WARN:Unhandled property: iccm0_sec_lvl
11:59:13.923906 WARN:Unhandled property: dccm_sec_lvl
Console now belongs to UART, hit CRTL-] to return to simulator.