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.
2. Fix spi/qspi/uspi TX/RX PDMA trigger issue. 3. Drain RX FIFO to remove remain FEF frames in FIFO. 4. Implement RT_DEVICE_CTRL_CLOSE in uart/uuart/scuart driver.