spi: add bindings for microchip mpfs spi

Add device tree bindings for the {q,}spi controller on
the Microchip PolarFire SoC.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220117110755.3433142-7-conor.dooley@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Conor Dooley 2022-01-17 11:07:47 +00:00 • committed by Mark Brown
commit 2da187304e
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