dts: add defendkey function for G12A

PD#164929: G12A need to support defendkey

add defendkey function in all G12A dts

Change-Id: Id269d4c14f2c2a6ad0674191aff353122a13d558
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>

arch/arm64/boot/dts/amlogic/g12a_pxp.dts

@@ -691,3 +691,8 @@
 	};
 };
 
+
+&defendkey {
+	status = "okay";
+};
+

arch/arm64/boot/dts/amlogic/g12a_s905d2_skt.dts

@@ -1294,4 +1294,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 

arch/arm64/boot/dts/amlogic/g12a_s905d2_skt_buildroot.dts

@@ -1218,4 +1218,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 

arch/arm64/boot/dts/amlogic/g12a_s905d2_u200.dts

@@ -1325,4 +1325,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 

arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_buildroot.dts

@@ -1391,3 +1391,8 @@
 &meson_cooldev {
 	status = "okay";
 };
+
+&defendkey {
+	status = "okay";
+};
+

arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_drm_buildroot.dts

@@ -1401,3 +1401,8 @@
 &meson_cooldev {
 	status = "okay";
 };
+
+&defendkey {
+	status = "okay";
+};
+

arch/arm64/boot/dts/amlogic/g12a_s905d2_u220.dts

@@ -1305,4 +1305,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 

arch/arm64/boot/dts/amlogic/g12a_s905x2_u211.dts

@@ -1311,3 +1311,8 @@
 &saradc {
 	status = "disabled";
 };
+
+&defendkey {
+	status = "okay";
+};
+

arch/arm64/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts

@@ -1396,4 +1396,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 

arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts

@@ -1271,4 +1271,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 

arch/arm64/boot/dts/amlogic/mesong12a.dtsi

@@ -1733,6 +1733,13 @@
 		interrupts = <0 52 1>;
 		interrupt-names = "ddr_bandwidth";
 	};
+
+	defendkey: defendkey {
+	compatible = "amlogic, defendkey";
+	reg = <0x0 0xff630218 0x0 0x4>; /*RNG_USR_DATA*/
+	mem_size = <0x0 0x1000>;
+	status = "disabled";
+	};
 };/* end of / */
 
 &pinctrl_aobus {