ASoC: fsi: Configure DMA slave settings

Current FSI driver is assuming that dst_addr/src_addr of DMAEngine
will be set by platform data. But it should be set via
dmaengine_slave_config(). Special thanks to Arnd

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>