ARM: dts: imx: Add support for DH electronics i.MX8M Plus DHCOM and PDK2

Add support for DH electronics i.MX8M Plus DHCOM SoM on PDK2 carrier board.
Currently supported are serial console, EQoS and FEC ethernets, eMMC, SD,
SPI NOR and USB 3.0 host.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig
index 24299ae..61397bf 100644
--- a/arch/arm/mach-imx/imx8m/Kconfig
+++ b/arch/arm/mach-imx/imx8m/Kconfig
@@ -148,6 +148,13 @@
 	select GATEWORKS_SC
 	select MISC
 
+config TARGET_IMX8MP_DH_DHCOM_PDK2
+	bool "DH electronics DHCOM Premium Developer Kit (2) i.MX8M Plus"
+	select BINMAN
+	select IMX8MP
+	select IMX8M_LPDDR4
+	select SUPPORT_SPL
+
 config TARGET_IMX8MP_EVK
 	bool "imx8mp LPDDR4 EVK board"
 	select BINMAN
@@ -265,6 +272,7 @@
 source "board/bsh/imx8mn_smm_s2/Kconfig"
 source "board/compulab/imx8mm-cl-iot-gate/Kconfig"
 source "board/data_modul/imx8mm_edm_sbc/Kconfig"
+source "board/dhelectronics/dh_imx8mp/Kconfig"
 source "board/engicam/imx8mm/Kconfig"
 source "board/freescale/imx8mq_evk/Kconfig"
 source "board/freescale/imx8mm_evk/Kconfig"