Add the "atmel,nand-has-dma" property to NAND node for SoC that
can use the DMA to perform NAND accesses.
Use of this property was added in 
1b7192658a08f70df0f290634fd7cd2ecb629fc9
(mtd: atmel_nand: add a new dt binding item for nand dma support).
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris BREZILLON <b.brezillon@overkiz.com>
                              >;
                        atmel,nand-addr-offset = <21>;
                        atmel,nand-cmd-offset = <22>;
+                       atmel,nand-has-dma;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_nand>;
                        gpios = <&pioC 8 GPIO_ACTIVE_HIGH
 
                        atmel,pmecc-lookup-table-offset = <0x0 0x8000>;
                        atmel,nand-addr-offset = <21>;
                        atmel,nand-cmd-offset = <22>;
+                       atmel,nand-has-dma;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_nand>;
                        gpios = <&pioD 5 GPIO_ACTIVE_HIGH
 
                        atmel,pmecc-lookup-table-offset = <0x0 0x8000>;
                        atmel,nand-addr-offset = <21>;
                        atmel,nand-cmd-offset = <22>;
+                       atmel,nand-has-dma;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_nand>;
                        gpios = <&pioD 5 GPIO_ACTIVE_HIGH
 
                        interrupts = <5 IRQ_TYPE_LEVEL_HIGH 6>;
                        atmel,nand-addr-offset = <21>;
                        atmel,nand-cmd-offset = <22>;
+                       atmel,nand-has-dma;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_nand0_ale_cle>;
                        atmel,pmecc-lookup-table-offset = <0x0 0x8000>;