usb/ohci-tmio: remove the HCD_DMA flag

This driver doesn't support normal DMA, only direct access to its
local memory.  Remove the HCD_DMA flag to properly express that fact.

Fixes: 7b81cb6b ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20190903084615.19161-3-hch@lst.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ohci-tmio.c

@@ -156,7 +156,7 @@ static const struct hc_driver ohci_tmio_hc_driver = {
 
 	/* generic hardware linkage */
 	.irq =			ohci_irq,
-	.flags =		HCD_USB11 | HCD_DMA | HCD_MEMORY,
+	.flags =		HCD_USB11 | HCD_MEMORY,
 
 	/* basic lifecycle operations */
 	.start =		ohci_tmio_start,