The Quark D2000 is the only x86 with an MVIC, and since support for
it has been dropped, the interrupt controller is orphaned. Removed.
Signed-off-by: Charles E. Youse <charles.youse@intel.com>
Move guides and APIs into separate directories and cleanup naming
introducing index files rather than named section files.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>