ASoC: fsl_sai: mark regmap as fast_io

The regmap is only ever used to access MMIO registers, so it's fair
to say that register access is fast.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://lore.kernel.org/r/20190717105156.15721-1-l.stach@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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Lucas Stach 2019-07-17 12:51:56 +02:00 • committed by Mark Brown
commit 6d19d8a3ce
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