Define a structure to store EDMA channel controller based information.
Use platform_device.id to find out the instance being configured in
probe function.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Reviewed-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>