ARM: dts: imx: Add support for Data Modul i.MX8M Plus eDM SBC

Add support for Data Modul i.MX8M Plus eDM SBC board. This is an
evaluation board for various custom display units. Currently
supported are serial console, ethernet, eMMC, SD, SPI NOR, USB.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/board/data_modul/imx8mp_edm_sbc/Makefile b/board/data_modul/imx8mp_edm_sbc/Makefile
new file mode 100644
index 0000000..28c1d62
--- /dev/null
+++ b/board/data_modul/imx8mp_edm_sbc/Makefile
@@ -0,0 +1,13 @@
+#
+# Copyright (C) 2022 Marek Vasut <marex@denx.de>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+
+ifdef CONFIG_SPL_BUILD
+obj-y += spl.o lpddr4_timing_4G_32.o
+else
+obj-y += imx8mp_data_modul_edm_sbc.o
+endif
+
+obj-y += ../common/common.o