MSC → STM32_USB_OTG_Driver Relation

File in discovery/libs/StmUsbHost/STM32_USB_HOST_Library/Class/MSC	Includes file in discovery/libs/StmUsbHost/STM32_USB_OTG_Driver
src / usbh_msc_bot.c	inc / usb_hcd_int.h
inc / usbh_msc_core.h	inc / usb_bsp.h