ARM: dts: am33xx: Add control module syscon node

Use syscon regmap to expose the Control module register space.
This register space is shared between many users e.g. DCAN, USB, display, etc.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am33xx.dtsi

@@ -83,6 +83,11 @@ mpu {
 		};
 	};
 
+	am33xx_control_module: control_module@4a002000 {
+		compatible = "syscon";
+		reg = <0x44e10000 0x7fc>;
+	};
+
 	am33xx_pinmux: pinmux@44e10800 {
 		compatible = "pinctrl-single";
 		reg = <0x44e10800 0x0238>;