ARM: dts: r8a7791: 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/r8a7791.dtsi

@@ -1073,7 +1073,7 @@ vin2: video@e6ef2000 {
 		status = "disabled";
 	};
 
-	vsp1@fe928000 {
+	vsp@fe928000 {
 		compatible = "renesas,vsp1";
 		reg = <0 0xfe928000 0 0x8000>;
 		interrupts = <GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>;
@@ -1082,7 +1082,7 @@ 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>;
@@ -1091,7 +1091,7 @@ 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>;