xilinx: Enable SMBIOS command

It is good to be aware what information is shared via smbios interface
that's why enable it by default.

Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/configs/xilinx_versal_net_virt_defconfig b/configs/xilinx_versal_net_virt_defconfig
index 377081c..53ef81e 100644
--- a/configs/xilinx_versal_net_virt_defconfig
+++ b/configs/xilinx_versal_net_virt_defconfig
@@ -27,6 +27,7 @@
 CONFIG_BOARD_EARLY_INIT_R=y
 CONFIG_CLOCKS=y
 CONFIG_SYS_PROMPT="Versal NET> "
+CONFIG_CMD_SMBIOS=y
 CONFIG_CMD_BOOTMENU=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_NVEDIT_EFI=y