dmaengine: k3dma: move to dma_pool_zalloc

Replace dma_pool_alloc & memset with dma_pool_zalloc.

Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
1 file changed