drivers: spi: add SPI device statistics

Enable below statistics for SPI by follow Zephyr STATS subsystem,
    rx_bytes, tx_bytes, transfer_error.

and add SPI_DEVICE_DT_DEFINE helper macro to define SPI device.

Signed-off-by: Xiaolu Sun <xiaolu.sun@intel.com>
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>