ARM: dts: rk3328: Add SPI support

Add U-Boot SPI support for the RK3328

Signed-off-by: Johannes Krottmayer <krjdev@gmail.com>
Cc: Kever Yang <kever.yang@rock-chips.com>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
(fix checkpatch error for code ident)
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3328-u-boot.dtsi b/arch/arm/dts/rk3328-u-boot.dtsi
index c69e13e..1633558 100644
--- a/arch/arm/dts/rk3328-u-boot.dtsi
+++ b/arch/arm/dts/rk3328-u-boot.dtsi
@@ -7,6 +7,7 @@
 	aliases {
 		mmc0 = &emmc;
 		mmc1 = &sdmmc;
+		spi0 = &spi0;
 	};
 
 	chosen {
@@ -66,3 +67,7 @@
 &usb20_otg {
 	hnp-srp-disable;
 };
+
+&spi0 {
+	u-boot,dm-pre-reloc;
+};