usb: cdnsp: fix incorrect index in cdnsp_get_hw_deq function

Patch fixes the incorrect "stream_id" table index instead of
"ep_index" used in cdnsp_get_hw_deq function.

Fixes: 3d82904 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
cc: stable@vger.kernel.org
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Reviewed-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/PH7PR07MB95381F2182688811D5C711CEDD8D2@PH7PR07MB9538.namprd07.prod.outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: pawellcdns

drivers/usb/cdns3/cdnsp-ring.c

@@ -402,7 +402,7 @@ static u64 cdnsp_get_hw_deq(struct cdnsp_device *pdev,
 	struct cdnsp_stream_ctx *st_ctx;
 	struct cdnsp_ep *pep;
 
-	pep = &pdev->eps[stream_id];
+	pep = &pdev->eps[ep_index];
 
 	if (pep->ep_state & EP_HAS_STREAMS) {
 		st_ctx = &pep->stream_info.stream_ctx_array[stream_id];