usb: add enum usb_init_type parameter to usb_lowlevel_init

arch/mips/cpu/mips32/au1x00/au1x00_usb_ohci.c

arch/powerpc/cpu/mpc5xxx/usb_ohci.c

arch/powerpc/cpu/ppc4xx/usb_ohci.c

arch/sparc/cpu/leon3/usb_uhci.c

board/mpl/common/usb_uhci.c

common/usb.c

drivers/usb/gadget/mv_udc.c

drivers/usb/host/ehci-hcd.c

drivers/usb/host/isp116x-hcd.c

drivers/usb/host/ohci-hcd.c

drivers/usb/host/ohci-s3c24xx.c

drivers/usb/host/r8a66597-hcd.c

drivers/usb/host/sl811-hcd.c

drivers/usb/host/xhci.c

drivers/usb/musb-new/musb_uboot.c

drivers/usb/musb/musb_hcd.c

include/usb.h