rockchip: dts: rk3328: Add rng details to u-boot.dtsi

Add the rk3328 rng details to the u-boot.dtsi and
enable the RNG on the Rock64 to be able to provide
a random seed via UEFI.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
(Fix typo message)
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 ce96ce4..a9f2536 100644
--- a/arch/arm/dts/rk3328-u-boot.dtsi
+++ b/arch/arm/dts/rk3328-u-boot.dtsi
@@ -26,6 +26,12 @@
 		       0x0 0xff720000 0x0 0x1000
 		       0x0 0xff798000 0x0 0x1000>;
 	};
+
+	rng: rng@ff060000 {
+		compatible = "rockchip,cryptov1-rng";
+		reg = <0x0 0xff060000 0x0 0x4000>;
+		status = "okay";
+	};
 };
 
 &cru {
diff --git a/configs/rock64-rk3328_defconfig b/configs/rock64-rk3328_defconfig
index e9f0415..c2641f6 100644
--- a/configs/rock64-rk3328_defconfig
+++ b/configs/rock64-rk3328_defconfig
@@ -75,6 +75,8 @@
 CONFIG_ROCKCHIP_EFUSE=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_DM_RNG=y
+CONFIG_RNG_ROCKCHIP=y
 CONFIG_SPI_FLASH_GIGADEVICE=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_GMAC_ROCKCHIP=y