soc: tegra: cs42l73: add speaker AMP EDP support

a) registered speaker AMP EDP client
b) implemented throttle callback function for EDP

Bug 1160686

Change-Id: I79906d3fd5dbfbedea7512d9745c59d700e325d5
Signed-off-by: Dara Ramesh <dramesh@nvidia.com>
Reviewed-on: http://git-master/r/193065
Reviewed-by: Riham Haidar <rhaidar@nvidia.com>
Tested-by: Riham Haidar <rhaidar@nvidia.com>
2 files changed