The IAMCU variant does not need to be the default, this calling
convention was to support the discontinued Quark platforms.
qemu_x86 and qemu_x86_nommu now are set as default.
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Add board metadata to be consumed by the sanitycheck script to provide
better matching with testcases and to test based on features declated in
the board files.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>