Previously, I2S driver only can support system dma.
In this patch, i2s driver can support internal dma too.
IDMA h/w configuration is initialized on idma.c
Signed-off-by: NSangbeom Kim <sbkim73@samsung.com>
Acked-by: NLiam Girdwood <lrg@ti.com>
Acked-by: NJassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>