add misc-tools
 remove libusb use default ptxdist/libusb
Merge branch 'bsp_master' of https://github.com/schpuntik/STLinux.BSP-Duckbox into bsp_master
Merge branch 'bsp_master' of https://github.com/schpuntik/STLinux.BSP-Duckbox into bsp_master
Merge branch 'bsp_master' of https://github.com/schpuntik/STLinux.BSP-Duckbox into bsp_master