ARM: dts: uniphier: add Denali NAND controller node

Add NAND controller node to LD4, Pro4, sLD8, Pro5, and PXs2.
Set up pinctrl to enable 2 chip select lines except Pro4.  The CS1
for Pro4 is multiplexed with other peripherals such as UART2, so
I did not enable it.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/boot/dts/uniphier-sld8.dtsi b/arch/arm/boot/dts/uniphier-sld8.dtsi
index 0c022fa..5b0b2f8 100644
--- a/arch/arm/boot/dts/uniphier-sld8.dtsi
+++ b/arch/arm/boot/dts/uniphier-sld8.dtsi
@@ -285,6 +285,17 @@
 				#reset-cells = <1>;
 			};
 		};
+
+		nand: nand@68000000 {
+			compatible = "socionext,uniphier-denali-nand-v5a";
+			status = "disabled";
+			reg-names = "nand_data", "denali_reg";
+			reg = <0x68000000 0x20>, <0x68100000 0x1000>;
+			interrupts = <0 65 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_nand2cs>;
+			clocks = <&sys_clk 2>;
+		};
 	};
 };