remove kmutex library due to gplv3 license
- Remove
https://github.com/im7mortal/kmutex
library because of GPL-v3 license. - Replace with
https://github.com/neverlee/keymutex
library - BSDv3 license.
https://github.com/im7mortal/kmutex
library because of GPL-v3 license.https://github.com/neverlee/keymutex
library - BSDv3 license.