arm: dts: rockchip: rk3399: nanopi-r4s: Provide smbios sysinfo

Provide human-readable manufacturer and product names for the
FriendlyELEC NanoPi R4S.

Enable CONFIG_SYSINFO and CONFIG_SYSINFO_SMBIOS by default.

Signed-off-by: Christian Kohlschütter <christian@kohlschutter.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/nanopi-r4s-rk3399_defconfig b/configs/nanopi-r4s-rk3399_defconfig
index 6d2a147..4946e89 100644
--- a/configs/nanopi-r4s-rk3399_defconfig
+++ b/configs/nanopi-r4s-rk3399_defconfig
@@ -72,3 +72,9 @@
 CONFIG_DISPLAY_ROCKCHIP_HDMI=y
 CONFIG_SPL_TINY_MEMSET=y
 CONFIG_ERRNO_STR=y
+CONFIG_MISC=y
+CONFIG_MISC_INIT_R=y
+CONFIG_ROCKCHIP_EFUSE=y
+CONFIG_ROCKCHIP_OTP=y
+CONFIG_SYSINFO=y
+CONFIG_SYSINFO_SMBIOS=y