All dtsi files where already moved to generic dma bindings. Remove the
old non-generic DMA properties.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
                                               <&sdma 38 1 0>;
                                        dma-names = "rx", "tx";
                                        fsl,fifo-depth = <15>;
-                                       fsl,ssi-dma-events = <38 37>;
                                        status = "disabled";
                                };
 
                                               <&sdma 42 1 0>;
                                        dma-names = "rx", "tx";
                                        fsl,fifo-depth = <15>;
-                                       fsl,ssi-dma-events = <42 41>;
                                        status = "disabled";
                                };
 
                                               <&sdma 46 1 0>;
                                        dma-names = "rx", "tx";
                                        fsl,fifo-depth = <15>;
-                                       fsl,ssi-dma-events = <46 45>;
                                        status = "disabled";
                                };