FOR CLOSED SOURCE PROJECTS
Closed sources are generated by cholokei-buildbot automatically when building kernel
So it is NO use committing my sources on git.
By making gitignore file, it is more efficient to manage my sources

Signed-off-by: cholokei <leesl0416@naver.com>
Makefile: Reduce some compilation errors

Signed-off-by: cholokei <leesl0416@naver.com>