While the suspend function is already marked __maybe_unused,
the resume function is not, which leads to a warning when
CONFIG_PM is disabled:
sound/soc/codecs/cx2072x.c:1625:12: error: unused function 'cx2072x_runtime_resume' [-Werror,-Wunused-function]
Mark this one like the other one.
Fixes: a497a4363706 ("ASoC: Add support for Conexant CX2072X CODEC") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mark Brown <broonie@kernel.org>