ASoC: Get the card directly from the DAPM context

Rather than indirecting through the CODEC we can look the card up directly
from the card pointer in the DAPM context.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --cc sound/soc/soc-dapm.c
Simple merge