* [bsp/nuvoton] Support NuMaker-M467HJ BSP and update drivers.

* Format files.
Co-authored-by: NWayne Lin <wclin@nuvoton.com>

(1) Support NK-N9H30 board.
(2) Change Mutex's flag to RT_IPC_FLAG_PRIO from RT_IPC_FLAG_FIFO.

1. NUC980 platform: USBH, INPUTCAPTURE, SPINAND.
2. Correct enter-quad-mode routine in board_dec.c.
3. Use RT_ASSERT to catch system-call-exceptions.