Update ignores.
Cross compiler stuff.
Make a cross compiler.
Ignore intermediate stuff of cross compile build.
Revert "Ignore intermediate stuff of cross compile build."

This reverts commit 06a8680a5bb6aec74bf2ada8df9f4749fef90fce.
Fix program dir.
Make buildof toolchain work.
Fix os image build.
Ignore cross compiler.
Make kernel entry point robust.
Make built with new and old script work.
Add script to set environment for make.
First steps for makefile.