toradex: common: Add sysinfo driver

This commit introduces support for the Toradex sysinfo driver in U-Boot,
which uses information from Toradex config block to print correct
board model.
In case the Toradex config block is not present sysinfo prints the model
of the board provided by device tree removing per board specific prints.

Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> # Verdin iMX8M Plus
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/board/toradex/common/Kconfig b/board/toradex/common/Kconfig
index 1f6a5e4..b85893a 100644
--- a/board/toradex/common/Kconfig
+++ b/board/toradex/common/Kconfig
@@ -4,6 +4,7 @@
 menuconfig TDX_CFG_BLOCK
 	bool "Enable Toradex config block support"
 	select OF_BOARD_SETUP
+	select SYSINFO
 	help
 	  The Toradex config block stored production data on the on-module
 	  flash device (NAND, NOR or eMMC). The area is normally preserved by