mraa or libsoc libraries to access gpio, i2c, etc on DragonBoard410

We have set up the development environment for Cross compiling from Qt Ubuntu Linux Host to DB410 and need to set up mraa or libsoc libraries to be used in a QT5 C++ program.
There's a tutorial from 96boards members for your reference, here's the link:
https://www.96boards.org/documentation/Extras/CrossCompile/CommandLine.md.html
Please let me know if you're interested in this gig.