USB: Fix device stati for removable and powerctrl (typo)

I currently don't know if the error could have other consequences
than a wrong output when turning debug on.

Signed-off-by: Alexander Holler <holler@ahsoftware.de>
diff --git a/common/usb.c b/common/usb.c
index 10e23de..aa28de0 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -1220,7 +1220,7 @@
 		hub->desc.DeviceRemovable[i] = descriptor->DeviceRemovable[i];
 
 	for (i = 0; i < ((hub->desc.bNbrPorts + 1 + 7)/8); i++)
-		hub->desc.DeviceRemovable[i] = descriptor->PortPowerCtrlMask[i];
+		hub->desc.PortPowerCtrlMask[i] = descriptor->PortPowerCtrlMask[i];
 
 	dev->maxchild = descriptor->bNbrPorts;
 	USB_HUB_PRINTF("%d ports detected\n", dev->maxchild);