The SITL build is now the default posix build.
The linker script for posix was moved to makefiles/posix.
The rc.S file was moved to posix-configs/SITL/init/
The POSIXTEST board definition is now SITL
To run the SITL test run:
make sitlrun
This replaces the make posixrun target.
The build directory is now Build/posix_sitl.build/
Signed-off-by: Mark Charlebois <charlebm@gmail.com>