spi/sh-msiof: Remove unneeded empty runtime PM callbacks
authorMark Brown <broonie@linaro.org>
Sun, 28 Jul 2013 14:36:38 +0000 (15:36 +0100)
committerMark Brown <broonie@linaro.org>
Sun, 28 Jul 2013 18:15:29 +0000 (19:15 +0100)
Previously the runtime PM API insisted on having callbacks for everything
but this requirement was removed a while ago so the empty callbacks can
also be removed.

Signed-off-by: Mark Brown <broonie@linaro.org>

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