ASoC: tegra: implement suspend/resume for Tegra30 AHUB
ASoC: tegra: implement suspend/resume for Tegra30 AHUB

Add tegra30_ahub_{suspend,resume}. These use regcache functions to
restore all HW registers after power loss during a suspend/resume cycle.

Signed-off-by: Stephen Warren <5ef2a23ba3aff51d1cfc8c113c1ec34b608b3b13@nvidia.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs