ENGR00283079-1 ASoC: fsl: Implement different DMA buffer sizes

ENGR00283079-1 ASoC: fsl: Implement different DMA buffer sizes

Each CPU DAI driver has its own defined DMA buffer size, so this patch just
drops the original one that uses a fixed size for all drivers and implements
a different DMA buffer size to each driver.

Acked-by: Wang Shengjiu <b02247@freescale.com>
Signed-off-by: Nicolin Chen <b42378@freescale.com>
(cherry picked from commit d2589c6bcdfbcac420999e15d36ecd48a7df2742)