ARM: dts: r8a7792: Use generic node name for VSP1 nodes

Use the preferred generic node name instead of the specific name.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7792.dtsi

@@ -794,7 +794,7 @@ vin5: video@e6ef5000 {
 			status = "disabled";
 		};
 
-		vsp1@fe928000 {
+		vsp@fe928000 {
 			compatible = "renesas,vsp1";
 			reg = <0 0xfe928000 0 0x8000>;
 			interrupts = <GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>;
@@ -803,7 +803,7 @@ vsp1@fe928000 {
 			resets = <&cpg 131>;
 		};
 
-		vsp1@fe930000 {
+		vsp@fe930000 {
 			compatible = "renesas,vsp1";
 			reg = <0 0xfe930000 0 0x8000>;
 			interrupts = <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>;
@@ -812,7 +812,7 @@ vsp1@fe930000 {
 			resets = <&cpg 128>;
 		};
 
-		vsp1@fe938000 {
+		vsp@fe938000 {
 			compatible = "renesas,vsp1";
 			reg = <0 0xfe938000 0 0x8000>;
 			interrupts = <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>;