ARM: imx6: Add DHCOM i.MX6 PDK board support

Add support for the DHCOM i.MX6 PDK board. This board has:
- FEC ethernet
- EHCI USB host
- 3x SDMMC

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/board/dhelectronics/dh_imx6/MAINTAINERS b/board/dhelectronics/dh_imx6/MAINTAINERS
new file mode 100644
index 0000000..e54bd60
--- /dev/null
+++ b/board/dhelectronics/dh_imx6/MAINTAINERS
@@ -0,0 +1,7 @@
+DH_IMX6 BOARD
+M:	Andreas Geisreiter <ageisreiter@dh-electronics.de>, Ludwig Zenz <lzenz@dh-electronics.de>
+S:	Maintained
+F:	board/dhelectronics/dh_imx6/
+F:	include/configs/dh_imx6.h
+F:	configs/dh_mx6q_defconfig
+F:	configs/dh_mx6dl_defconfig