board: toradex: add Toradex SMARC iMX8MP

Add support for the Toradex SMARC iMX8MP.

Link: https://www.toradex.com/computer-on-modules/smarc-arm-family/nxp-imx-8m-plus
Link: https://www.toradex.com/products/carrier-board/smarc-development-board-kit
Signed-off-by: Vitor Soares <vitor.soares@toradex.com>
diff --git a/board/toradex/smarc-imx8mp/smarc-imx8mp.env b/board/toradex/smarc-imx8mp/smarc-imx8mp.env
new file mode 100644
index 0000000..58f152e
--- /dev/null
+++ b/board/toradex/smarc-imx8mp/smarc-imx8mp.env
@@ -0,0 +1,20 @@
+boot_script_dhcp=boot.scr
+boot_targets=mmc1 mmc0 dhcp
+console=ttymxc1
+fdt_addr_r=0x50200000
+fdt_board=dev
+initrd_addr=0x43800000
+initrd_high=0xffffffffffffffff
+kernel_addr_r=CONFIG_SYS_LOAD_ADDR
+kernel_comp_addr_r=0x40200000
+kernel_comp_size=0x08000000
+ramdisk_addr_r=0x50300000
+scriptaddr=0x50280000
+
+update_uboot=
+		askenv confirm Did you load flash.bin (y/N)?;
+		if test $confirm = y; then
+			setexpr blkcnt ${filesize} + 0x1ff && setexpr blkcnt
+			${blkcnt} / 0x200; mmc dev 0 1; mmc write ${loadaddr} 0x0
+			${blkcnt};
+		fi