edma param struct is now within an edma_pset struct introduced in Thomas
Gleixner's edma tx status series. Update memcpy function for the same.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: NJoel Fernandes <joelf@ti.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>