usb: dwc2: host: Fix ISOC flow in DDMA mode

Fixed ISOC completion flow in DDMA mode. Added isoc
descriptor actual length value and update urb's start_frame
value.
Fixed initialization of ISOC DMA descriptors flow.

Fixes: 56f5b1cf ("staging: Core files for the DWC2 driver")
Fixes: 20f2eb9c ("staging: dwc2: add microframe scheduler from downstream Pi kernel")
Fixes: c17b337c ("usb: dwc2: host: program descriptor for next frame")
Fixes: dc4c76e7 ("staging: HCD descriptor DMA support for the DWC2 driver")
Fixes: 762d3a1a ("usb: dwc2: host: process all completed urbs")
CC: stable@vger.kernel.org
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/a8b1e1711cc6cabfb45d92ede12e35445c66f06c.1708944698.git.Minas.Harutyunyan@synopsys.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>