spi/sh-msiof: Remove unneeded empty runtime PM callbacks

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>
This commit is contained in:
Mark Brown 2013-07-28 15:36:38 +01:00
commit 33bf2c0b7d