rockchip: Ensure env in SPI Flash can work correctly

Ensure that the spi/sfc node for SPI flash is aviliable during pre-reloc
phase so that env can successfully be loaded from SPI Flash.

No boards with these SoCs seem to be affected as there is no default use
of ENV_IS_IN_SPI_FLASH=y.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/dts/rk3328-u-boot.dtsi

@@ -132,6 +132,10 @@
 	bootph-pre-ram;
 };
 
+&spi0 {
+	bootph-some-ram;
+};
+
 &uart2 {
 	bootph-all;
 	clock-frequency = <24000000>;

arch/arm/dts/rk356x-u-boot.dtsi

@@ -157,6 +157,7 @@
 };
 
 &sfc {
+	bootph-some-ram;
 	u-boot,spl-sfc-no-dma;
 };
 

arch/arm/dts/rk3588s-u-boot.dtsi

@@ -140,6 +140,7 @@
 };
 
 &sfc {
+	bootph-some-ram;
 	u-boot,spl-sfc-no-dma;
 };