During firmware download, dma buffers are allocated in prepare
and never freed on clean up. This patch frees the allocated dma
buffer in cldma controller clean up.
Signed-off-by: NJeeja KP <jeeja.kp@intel.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>