i.MX6: board: Add BTicino i.MX6DL Mamoj initial support

Add initial support for i.MX6DL BTicino Mamoj board.

Mamoh board added:
- SPL
- SPL_DM
- SPL_OF_CONTROL
- DM for U-Boot proper
- OF_CONTROL for U-Boot proper
- eMMC
- FEC
- Boot from eMMC
- Boot from USB SDP

Signed-off-by: Simone CIANNI <simone.cianni@bticino.it>
Signed-off-by: Raffaele RECALCATI <raffaele.recalcati@bticino.it>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 5300c27..b3a2405 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -404,6 +404,7 @@
 	imx6dl-icore.dtb \
 	imx6dl-icore-mipi.dtb \
 	imx6dl-icore-rqs.dtb \
+	imx6dl-mamoj.dtb \
 	imx6q-cm-fx6.dtb \
 	imx6q-icore.dtb \
 	imx6q-icore-mipi.dtb \