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/configs/rockpro64-rk3399_defconfig b/configs/rockpro64-rk3399_defconfig
index fdc4b3d..711541f 100644
--- a/configs/rockpro64-rk3399_defconfig
+++ b/configs/rockpro64-rk3399_defconfig
@@ -89,6 +89,8 @@
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550_MEM32=y
 CONFIG_ROCKCHIP_SPI=y
+CONFIG_SYSINFO=y
+CONFIG_SYSINFO_SMBIOS=y
 CONFIG_SYSRESET=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y