DEP enhancements:

- Add timeout on InJumpForDEP (pn53x) and initiator_select_dep (libnfc API)
- test_dep now works again (except 424Kbps)
- Fix ndi.ndm feeling when select a DEP target
Important: test_dep does not work on PN53x_USB devices after running previous tests

libnfc/drivers/pn53x_usb.c

@@ -571,6 +571,7 @@ read:
   if (timeout == USB_INFINITE_TIMEOUT) {
     usb_timeout = USB_TIMEOUT_PER_PASS;
   } else {
+    // A user-provided timeout is set, we have to cut it in multiple chunk to be able to keep an nfc_abort_command() mecanism
     remaining_time -= USB_TIMEOUT_PER_PASS;
     if (remaining_time <= 0) {
       pnd->iLastError = ECOMTIMEOUT;