Status freebios2...

I am busily working on getting the switching from fallback to
normal mode working in LinuxBIOS.

To that end I have just implemented and committed structure
and typedef support in LinuxBIOS.

I realized the other day that to remove assembly code I would need
to be able to call rdmsr && wrmsr from code compiled with romcc.
rdmsr returns 2 values so I needed structure support.   And typedef
support was simple to implement and so I fixed it while I was in there.

Hopefully I can now make some more progress.

Eric