This extends the driver with support for all SPI framesizes from 4 to 16
bits, and adds support for per transfer specific bits_per_word, while at
the same time reducing code size and complexity.
Signed-off-by: NEsben Haabendal <eha@deif.com>
Acked-by: NMartin Hundebøll <martin@geanix.com>
Signed-off-by: NMark Brown <broonie@kernel.org>