spi: mxic: Ensure width is respected in spi-mem operations

Make use of a core helper to ensure the desired width is respected
when calling spi-mem operators.

Suggested-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20190919202504.9619-2-miquel.raynal@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed