[silicon_creator,rescue] Fix USB interface number

Interface numbers start at 0, using 1 is incorrect and may confuse the host.

Signed-off-by: Amaury Pouly <[email protected]>

Author: pamaury

sw/device/silicon_creator/lib/rescue/rescue_usb.c

@@ -39,7 +39,7 @@ static const usb_device_descriptor_t device_desc = {
 };
 
 #define DFU_INTERFACE_DSCR(alt)                          \
-  USB_INTERFACE_DSCR(/*inum=*/1, /*alt=*/alt, /*nep=*/0, \
+  USB_INTERFACE_DSCR(/*inum=*/0, /*alt=*/alt, /*nep=*/0, \
                      /*class=*/kDfuDeviceClass,          \
                      /*subclass=*/kDfuDeviceSubClass,    \
                      /*protocol=*/kDfuDeviceProtocol, /*iint=*/4 + alt)