spi: spidev_fdx: Add support for Dual/Quad SPI Transfers

Use SPI_IOC_RD_MODE32 to print the full SPI mode, now in hex.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
1 file changed