spi: stm32: remove SPI LOOP mode

This driver does not support SPI LOOP mode by configuration
in registers.

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 23:00:32 +01:00 • committed by Mark Brown
commit 6962b055a1
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