ASoC: da7213.c: add missing pm_runtime_disable()

da7213.c is missing pm_runtime_disable(), thus we will get
below error when rmmod -> insmod.

	$ rmmod  snd-soc-da7213.ko
	$ insmod snd-soc-da7213.ko
	da7213 0-001a: Unbalanced pm_runtime_enable!"

[Kuninori adjusted to latest upstream]

Signed-off-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Khanh Le <khanh.le.xr@renesas.com>
Link: https://lore.kernel.org/r/87mt3xg2tk.wl-kuninori.morimoto.gx@renesas.com


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