ASoC: makes snd_soc_set_runtime_hwparams() inline

snd_soc_set_runtime_hwparams() is now doing very simple things.
We can makes it simply inline function, without having EXPORT_SYMBOL_GPL()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87cyk0eso0.wl-kuninori.morimoto.gx@renesas.com


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