directory /Common/Drivers/ @ 456:5e38b09d2c45 minor_improvments

name size permissions
[up] drwxr-xr-x
dir. CMSIS/ drwxr-xr-x
dir. STM32F4xx/ drwxr-xr-x
dir. STM32F4xx_HAL_Driver/ drwxr-xr-x
dir. Src/ drwxr-xr-x