board: stm32: Add Engicam MicroGEA STM32MP1 MicroDev 2.0 board

MicroDev 2.0 is a general purpose miniature carrier board with CAN,
LTE and LVDS panel interfaces.

Genaral features:
- Ethernet 10/100
- USB Type A
- Audio Out
- microSD
- LVDS panel connector
- Wifi/BT (option)
- UMTS LTE with sim connector (option)

MicroGEA STM32MP1 is a STM32MP157A based Micro SoM.

MicroGEA STM32MP1 needs to mount on top of this MicroDev 2.0 board
for creating complete MicroGEA STM32MP1 MicroDev 2.0 Carrier board.

Linux dts commit details:

commit <f838dae7afd0> ("ARM: dts: stm32: Add Engicam MicroGEA STM32MP1
MicroDev 2.0 board")

Add support for it.

Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/board/engicam/stm32mp1/Kconfig b/board/engicam/stm32mp1/Kconfig
index e7bccc0..c800fd4 100644
--- a/board/engicam/stm32mp1/Kconfig
+++ b/board/engicam/stm32mp1/Kconfig
@@ -1,4 +1,4 @@
-if TARGET_ICORE_STM32MP1
+if TARGET_ICORE_STM32MP1 || TARGET_MICROGEA_STM32MP1
 
 config SYS_BOARD
 	default "stm32mp1"
diff --git a/board/engicam/stm32mp1/MAINTAINERS b/board/engicam/stm32mp1/MAINTAINERS
index 736a32e..40220e7 100644
--- a/board/engicam/stm32mp1/MAINTAINERS
+++ b/board/engicam/stm32mp1/MAINTAINERS
@@ -1,3 +1,10 @@
+MicroGEA-STM32MP1-MICRODEV2.0
+M:	Jagan Teki <jagan@amarulasolutions.com>
+M:	Matteo Lisi <matteo.lisi@engicam.com>
+S:	Maintained
+F:	arch/arm/dts/stm32mp15*microgea*
+F:	configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig
+
 i.Core-STM32MP1-CTOUCH2.0
 M:	Jagan Teki <jagan@amarulasolutions.com>
 M:	Matteo Lisi <matteo.lisi@engicam.com>