arm64: dts: fsl-ls1046a: rename thermal node name

Add thermal subfix for thermal node to fix below CHECK_DTB warnings.

	thermal-zones: '...' do not match any of the regexes:
	'^[a-zA-Z][a-zA-Z0-9\\-]{1,12}-thermal$'

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi

@@ -122,7 +122,7 @@
 	};
 
 	thermal-zones {
-		ddr-controller {
+		ddr-thermal {
 			polling-delay-passive = <1000>;
 			polling-delay = <5000>;
 			thermal-sensors = <&tmu 0>;
@@ -142,7 +142,7 @@
 			};
 		};
 
-		serdes {
+		serdes-thermal {
 			polling-delay-passive = <1000>;
 			polling-delay = <5000>;
 			thermal-sensors = <&tmu 1>;
@@ -162,7 +162,7 @@
 			};
 		};
 
-		fman {
+		fman-thermal {
 			polling-delay-passive = <1000>;
 			polling-delay = <5000>;
 			thermal-sensors = <&tmu 2>;
@@ -182,7 +182,7 @@
 			};
 		};
 
-		core-cluster {
+		core-cluster-thermal {
 			polling-delay-passive = <1000>;
 			polling-delay = <5000>;
 			thermal-sensors = <&tmu 3>;
@@ -213,7 +213,7 @@
 			};
 		};
 
-		sec {
+		sec-thermal {
 			polling-delay-passive = <1000>;
 			polling-delay = <5000>;
 			thermal-sensors = <&tmu 4>;