Add the missing SPI controller DMA handler in the dm816x DT
node, only properties for the two channels on four were present.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
                        ti,spi-num-cs = <4>;
                        ti,hwmods = "mcspi1";
                        dmas = <&edma 16 &edma 17
-                               &edma 18 &edma 19>;
-                       dma-names = "tx0", "rx0", "tx1", "rx1";
+                               &edma 18 &edma 19
+                               &edma 20 &edma 21
+                               &edma 22 &edma 23>;
+                       dma-names = "tx0", "rx0", "tx1", "rx1",
+                                   "tx2", "rx2", "tx3", "rx3";
                };
 
                mmc1: mmc@48060000 {