ARM: dts: am33xx: Remove unnecessary properties

Remove the unnecessary properties #address-cells and #size-cells
of node pinmux as there are no child-nodes with property reg.
Signed-off-by: Felix Brack <fb@ltec.ch>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am33xx-l4.dtsi

@@ -288,8 +288,6 @@ phy_sel: cpsw-phy-sel@650 {
 				am33xx_pinmux: pinmux@800 {
 					compatible = "pinctrl-single";
 					reg = <0x800 0x238>;
-					#address-cells = <1>;
-					#size-cells = <0>;
 					#pinctrl-cells = <1>;
 					pinctrl-single,register-width = <32>;
 					pinctrl-single,function-mask = <0x7f>;