usb: ohci-spear: Remove direct access to platform_device resource list

The memory resource is already retrieved with platform_get_resource(), so
let's use it instead of assuming it is the first resource in the array.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211215225509.1995417-1-robh@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ohci-spear.c

@@ -76,7 +76,7 @@ static int spear_ohci_hcd_drv_probe(struct platform_device *pdev)
 		goto err_put_hcd;
 	}
 
-	hcd->rsrc_start = pdev->resource[0].start;
+	hcd->rsrc_start = res->start;
 	hcd->rsrc_len = resource_size(res);
 
 	sohci_p = to_spear_ohci(hcd);