spi: dw: Discard IRQ threshold macro

The macro has been unused since a half of FIFO length was defined to be a
marker of the IRQ. Let's remove it definition.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20200920112914.26501-2-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Mark Brown <broonie@kernel.org>
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Serge Semin 2020-09-20 14:28:45 +03:00 • committed by Mark Brown
commit 07918df724
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