spi: stm32: split transfer one setup function

Split stm32_spi_transfer_one_setup function into smaller chunks
to be more generic for other stm32 SPI family drivers.

Signed-off-by: Cezary Gapinski <cezary.gapinski@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Cezary Gapinski 2018-12-24 23:00:35 +01:00 • committed by Mark Brown
commit 9d5fce166c
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