DDEKit has proper thread termination now. No more memory leaks on usb stick removal. MUSB fixes for IRQ and memory mapping.
usbd update from JPEmbedded Change-Id: I4098b29a3188abe7110d59f0746ea40ac5818bbf http://gerrit.minix3.org/#/c/2698/
Change-Id: Ia3c50a8c5e11bf20100354de266913112cc236f9 http://gerrit.minix3.org/#/c/2689/