Commit 73b98acd8b577c634aecf7a902098bc251eff9c0

DRC 2019-01-31T13:54:46

Loongson MMI RGB-to-Grayscale conversion Based on: https://github.com/zhanglixia-hf/libjpeg-turbo/commit/e8f5cee5aa83e2d1b0af3a7bd0aaa2391c930fb2