arm: dts: rockpro64: Add RockPro64 smbios

Add smbios information for Pine64 RockPro64 board and enable in
config

Signed-off-by: Shantur Rathore <i@shantur.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
index 732727d..0897325 100644
--- a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
@@ -9,6 +9,28 @@
 	chosen {
 		u-boot,spl-boot-order = "same-as-spl", &spi_flash, &sdmmc, &sdhci;
 	};
+
+        smbios {
+                compatible = "u-boot,sysinfo-smbios";
+                smbios {
+                        system {
+                                manufacturer = "Pine64";
+                                product = "RockPro64";
+                        };
+
+                        baseboard {
+                                manufacturer = "Pine64";
+                                product = "RockPro64";
+                        };
+
+                        chassis {
+                                manufacturer = "Pine64";
+                                product = "RockPro64";
+                        };
+                };
+        };
+
+
 };
 
 &sdhci {