dm: usb: Pass EHCI controller pointer to ehci_get_portsc_register()

Adjust this function so that it is passed an EHCI controller pointer so that
implementations can look up their controller. This makes the weak functions
use a consistent API.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 4de7c81..8238e9d 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -144,7 +144,7 @@
 	mdelay(50);
 }
 
-__weak uint32_t *ehci_get_portsc_register(struct ehci_hcor *hcor, int port)
+__weak uint32_t *ehci_get_portsc_register(struct ehci_ctrl *ctrl, int port)
 {
 	if (port < 0 || port >= CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
 		/* Printing the message would cause a scan failure! */
@@ -152,7 +152,7 @@
 		return NULL;
 	}
 
-	return (uint32_t *)&hcor->or_portsc[port];
+	return (uint32_t *)&ctrl->hcor->or_portsc[port];
 }
 
 static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec)
@@ -687,7 +687,7 @@
 	case USB_REQ_GET_STATUS | ((USB_RT_PORT | USB_DIR_IN) << 8):
 	case USB_REQ_SET_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
 	case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
-		status_reg = ehci_get_portsc_register(ctrl->hcor, port - 1);
+		status_reg = ehci_get_portsc_register(ctrl, port - 1);
 		if (!status_reg)
 			return -1;
 		break;