boards: nxp: add test feature 'usbd' to mimxrt1170_evk

mimxrt1170_evk has supported usb device next stack.

Signed-off-by: Mark Wang <[email protected]>

Author: MarkWangChinese

boards/nxp/mimxrt1170_evk/mimxrt1170_evk_mimxrt1176_cm7.yaml

@@ -29,4 +29,5 @@ supported:
   - usb_device
   - watchdog
   - video
+  - usbd
 vendor: nxp