arm64: dts: renesas: r8a7796: Correct whitespace

Add missing spaces after commas.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a7796.dtsi

@@ -143,7 +143,7 @@ a57_0: cpu@0 {
 		};
 
 		a57_1: cpu@1 {
-			compatible = "arm,cortex-a57","arm,armv8";
+			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x1>;
 			device_type = "cpu";
 			power-domains = <&sysc R8A7796_PD_CA57_CPU1>;
@@ -166,7 +166,7 @@ a53_0: cpu@100 {
 		};
 
 		a53_1: cpu@101 {
-			compatible = "arm,cortex-a53","arm,armv8";
+			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x101>;
 			device_type = "cpu";
 			power-domains = <&sysc R8A7796_PD_CA53_CPU1>;
@@ -177,7 +177,7 @@ a53_1: cpu@101 {
 		};
 
 		a53_2: cpu@102 {
-			compatible = "arm,cortex-a53","arm,armv8";
+			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x102>;
 			device_type = "cpu";
 			power-domains = <&sysc R8A7796_PD_CA53_CPU2>;
@@ -188,7 +188,7 @@ a53_2: cpu@102 {
 		};
 
 		a53_3: cpu@103 {
-			compatible = "arm,cortex-a53","arm,armv8";
+			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x103>;
 			device_type = "cpu";
 			power-domains = <&sysc R8A7796_PD_CA53_CPU3>;