ARM: dts: sun6i: Add security system crypto engine clock and device nodes

A31/A31s have the same "Security System" crypto engine as A10/A20,
but with a separate reset control.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

arch/arm/boot/dts/sun6i-a31.dtsi

@@ -346,6 +346,14 @@
 					     "mmc3_sample";
 		};
 
+		ss_clk: clk@01c2009c {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-a10-mod0-clk";
+			reg = <0x01c2009c 0x4>;
+			clocks = <&osc24M>, <&pll6 0>;
+			clock-output-names = "ss";
+		};
+
 		spi0_clk: clk@01c200a0 {
 			#clock-cells = <0>;
 			compatible = "allwinner,sun4i-a10-mod0-clk";
@@ -870,6 +878,16 @@
 			#size-cells = <0>;
 		};
 
+		crypto: crypto-engine@01c15000 {
+			compatible = "allwinner,sun4i-a10-crypto";
+			reg = <0x01c15000 0x1000>;
+			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ahb1_gates 5>, <&ss_clk>;
+			clock-names = "ahb", "mod";
+			resets = <&ahb1_rst 5>;
+			reset-names = "ahb";
+		};
+
 		timer@01c60000 {
 			compatible = "allwinner,sun6i-a31-hstimer",
 				     "allwinner,sun7i-a20-hstimer";