add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

external/camera_engine_rkaiq/common/gen_mesh/android/genMesh_static_64bit/libgenMeshLib.a does not exist in tree b03afb3a48717f0fdb0d2b113ff2aa0ff8cb530f