CoreELEC on Supported Khadas SBCs

Team CoreELEC has implemented a tutorial on their Wiki on how to install CoreELEC on following officially supported devices:

Device Edition Board SoC
VIM1 2 G gxl 905X
VIM3 2G/4G g12b A311D
VIM3L 2G sm1 S905D3

Installation instructions can be found in the CoreELEC Wiki.