rockchip: rk3328: enable spl-fifo-mode for emmc and sdmmc

Since mmc to sram can't do dma, add patch to prevent aborts transfering
TF-A parts.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>

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

@@ -51,8 +51,14 @@
 
 &emmc {
 	u-boot,dm-pre-reloc;
+
+	/* mmc to sram can't do dma, prevent aborts transfering TF-A parts */
+	u-boot,spl-fifo-mode;
 };
 
 &sdmmc {
 	u-boot,dm-pre-reloc;
+
+	/* mmc to sram can't do dma, prevent aborts transfering TF-A parts */
+	u-boot,spl-fifo-mode;
 };