ARM: dts: am: Align L2 cache-controller nodename with dtschema

Fix dtschema validator warnings like:

    l2-cache-controller@48242000: $nodename:0: 'l2-cache-controller@48242000'
        does not match '^(cache-controller|cpu)(@[0-9a-f,]+)*$'

---
 arch/arm/boot/dts/am4372.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 51ad9e881a62..73737af49f48 100644
@@ -153,7 +153,7 @@
 		clocks = <&mpu_periphclk>;
 	};
 
-	l2-cache-controller@48242000 {
+	cache-controller@48242000 {
 		compatible = "arm,pl310-cache";
 		reg = <0x48242000 0x1000>;
 		cache-unified;

2.17.1

Applying into omap-for-v5.9/dt thanks.

Tony