linux-imx

MLK-13609: ASoC: fsl_sai: fix for synchronize mode

TX synchronous with receiver: the RMR should not be changed and
the RCSR.RE should be set in playback.
RX synchronous with transmitter: the TMR should not be changed and
the TCSR.TE should be set in recording.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>