With commit 
d8e8fd0ebf8b ("mtd: rawnand: denali: decouple controller
and NAND chips"), the Denali NAND controller driver migrated to the
new controller/chip representation.
Update DT for it.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 
 &nand {
        status = "okay";
+
+       nand@0 {
+               reg = <0>;
+       };
 };
 
                        status = "disabled";
                        reg-names = "nand_data", "denali_reg";
                        reg = <0x68000000 0x20>, <0x68100000 0x1000>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
                        interrupts = <0 65 4>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_nand>;
 
                        status = "disabled";
                        reg-names = "nand_data", "denali_reg";
                        reg = <0x68000000 0x20>, <0x68100000 0x1000>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
                        interrupts = <0 65 4>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_nand>;
 
 
 &nand {
        status = "okay";
+
+       nand@0 {
+               reg = <0>;
+       };
 };
 
                        status = "disabled";
                        reg-names = "nand_data", "denali_reg";
                        reg = <0x68000000 0x20>, <0x68100000 0x1000>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
                        interrupts = <0 65 4>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_nand>;