ARM: shmobile: r8a7791/koelsch dts: Rename label spi to qspi, add spi0 alias

Prepare for the advent of MSIOF SPI, which will be spi1 to spi3.
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791-koelsch.dts

@@ -244,7 +244,7 @@ sdhi2_pins: sd2 {
 		renesas,function = "sdhi2";
 	};
 
-	qspi_pins: spi {
+	qspi_pins: spi0 {
 		renesas,groups = "qspi_ctrl", "qspi_data4";
 		renesas,function = "qspi";
 	};
@@ -301,7 +301,7 @@ &sdhi2 {
 	status = "okay";
 };
 
-&spi {
+&qspi {
 	pinctrl-0 = <&qspi_pins>;
 	pinctrl-names = "default";
 

arch/arm/boot/dts/r8a7791.dtsi

@@ -27,6 +27,7 @@ aliases {
 		i2c3 = &i2c3;
 		i2c4 = &i2c4;
 		i2c5 = &i2c5;
+		spi0 = &qspi;
 	};
 
 	cpus {
@@ -789,7 +790,7 @@ R8A7791_CLK_SCIFA3 R8A7791_CLK_SCIFA4 R8A7791_CLK_SCIFA5
 		};
 	};
 
-	spi: spi@e6b10000 {
+	qspi: spi@e6b10000 {
 		compatible = "renesas,qspi-r8a7791", "renesas,qspi";
 		reg = <0 0xe6b10000 0 0x2c>;
 		interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;