Device MSC: add START STOP (load/eject) request support#246

ayedm1 wants to merge 2 commits intoeclipse-threadx:deveclipse-threadx/usbx:devfrom

ayedm1:device_storage_load_eject_mediaayedm1/eclipse_usbx_contribution:device_storage_load_eject_mediaCopy head branch name to clipboard