config: update USB PID database link
this updates the link for allocating a USB PID at google. the original
link was either wrong or repurposed.
BRANCH=none
TEST=none
* then we can differentiate USB topologies by varying the HW version field
* in the Sink and Source Capabilities Extended messages.
*
- * To reserve a new PID, use go/usb.
+ * To reserve a new PID, use go/usb-pid.
*/
#undef CONFIG_USB_PID
