thinking about the sim

[Sylvain Munaut]

> The SIM code is common to all apps so I'm looking at
> src/host/layer23/src/common/main.c .

Well, I would change that.

And just make the SIM a separate module that the app can choose to
unit however it'd like.
then in 'mobile', you'd read the config out of VTY.

Cheers,

    Sylvain