ARM: dts: am335x: Fix the interrupt name of TPS65217

Use 'interrupt-names' for getting the charger interrupt number.

Fixes: 1934e89a769b ("ARM: dts: am335x: Add the charger interrupt")
Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am335x-bone-common.dtsi

@@ -320,7 +320,7 @@
 
 	charger {
 		interrupts = <TPS65217_IRQ_AC>, <TPS65217_IRQ_USB>;
-		interrupts-names = "AC", "USB";
+		interrupt-names = "AC", "USB";
 		status = "okay";
 	};