spi: dw-mmio: avoid hardcoded field mask

Define a mask for the IF_SI_OWNER field.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Alexandre Belloni 2018-08-31 13:40:46 +02:00 • committed by Mark Brown
commit c1d8b0825d
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