ARM: dts: sunxi: Add R_LRADC support for A83T

Allwinner A83T SoC has a low res adc like the one in Allwinner A10 SoC.
Now the driver has been modified to support it.

Add support for it.
Signed-off-by: Ziping Chen <techping.chan@gmail.com>
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun8i-a83t.dtsi

@@ -1075,6 +1075,13 @@ r_cir: ir@1f02000 {
 			status = "disabled";
 		};
 
+		r_lradc: lradc@1f03c00 {
+			compatible = "allwinner,sun8i-a83t-r-lradc";
+			reg = <0x01f03c00 0x100>;
+			interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
 		r_pio: pinctrl@1f02c00 {
 			compatible = "allwinner,sun8i-a83t-r-pinctrl";
 			reg = <0x01f02c00 0x400>;