ARM: shmobile: r8a7790/lager dts: Rename label spi to qspi, add spi0 alias

Prepare for the advent of MSIOF SPI, which will be spi1 to spi4.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@linux-m68k.org>
Acked-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7790-lager.dts

@@ -155,7 +155,7 @@
 		renesas,function = "mmc1";
 	};
 
-	qspi_pins: spi {
+	qspi_pins: spi0 {
 		renesas,groups = "qspi_ctrl", "qspi_data4";
 		renesas,function = "qspi";
 	};
@@ -190,7 +190,7 @@
 	status = "okay";
 };
 
-&spi {
+&qspi {
 	pinctrl-0 = <&qspi_pins>;
 	pinctrl-names = "default";
 

arch/arm/boot/dts/r8a7790.dtsi

@@ -24,6 +24,7 @@
 		i2c1 = &i2c1;
 		i2c2 = &i2c2;
 		i2c3 = &i2c3;
+		spi0 = &qspi;
 	};
 
 	cpus {
@@ -765,7 +766,7 @@
 		};
 	};
 
-	spi: spi@e6b10000 {
+	qspi: spi@e6b10000 {
 		compatible = "renesas,qspi-r8a7790", "renesas,qspi";
 		reg = <0 0xe6b10000 0 0x2c>;
 		interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;