add: builtc project

Change-Id: I060b0214ae0510cfccaa365e6bc373e380088886
add: genc project
add: datamodel project

Change-Id: I868dbde7c516e9ab0a54120275df127e1b448433
add: kernelc project

Change-Id: I0093b1e857aac5681d723f0394d3774a12b65fa6
add: hellocpp project
add: mini6410 device
opt: auto gen by repo manifest

Change-Id: I60c7b552bba6f1984faafbafd15a2629491cadb8