Fix AMF sample loop end

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
[test] Fix AMF format test data

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Update changelog

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
S3M loader minor refactoring and license update

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Remove dead assignment

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
PTM loader minor refactoring and license update

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Update documentation

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>