spi: lpspi: enable runtime pm for lpspi

Enable the runtime power management for lpspi module.

Do some adaptation work from kernel 4.9 to 4.14.

Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Signed-off-by: Han Xu <han.xu@nxp.com>
Reviewed-by: Frank Li <frank.li@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Han Xu 2019-03-06 06:30:39 +00:00 • committed by Mark Brown
commit 944c01a889
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