usb: host: ohci-tmio: Remove redundant platform_set_drvdata()

Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ohci-tmio.c

@@ -287,8 +287,6 @@ static int ohci_hcd_tmio_drv_remove(struct platform_device *dev)
 	iounmap(tmio->ccr);
 	usb_put_hcd(hcd);
 
-	platform_set_drvdata(dev, NULL);
-
 	return 0;
 }