BOARD: MCCMON6: Provide support for iMX6q based mccmon6 board

This patch provides u-boot support for Liebherr (LWN) mccmon6 board.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index 995a910..19cc1f6 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -132,6 +132,10 @@
 	select BOARD_LATE_INIT
 	select SUPPORT_SPL
 
+config TARGET_MCCMON6
+	bool "mccmon6"
+	select SUPPORT_SPL
+
 config TARGET_MX6CUBOXI
 	bool "Solid-run mx6 boards"
 	select BOARD_LATE_INIT
@@ -368,6 +372,7 @@
 source "board/gateworks/gw_ventana/Kconfig"
 source "board/kosagi/novena/Kconfig"
 source "board/samtec/vining_2000/Kconfig"
+source "board/liebherr/mccmon6/Kconfig"
 source "board/seco/Kconfig"
 source "board/solidrun/mx6cuboxi/Kconfig"
 source "board/technexion/pico-imx6ul/Kconfig"