spi: add cpu details to fsl-dspi Kconfig help

Add some cpu families that are actually using the fsl-dspi module
in the related Kconfig description.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Angelo Dureghello 2018-12-26 22:43:00 +01:00 • committed by Mark Brown
commit 0dcdcd0e42
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