ARM: imx: mx6ull: Add iMX6ULL VisionSOM SoM and EVK

Add iMX6ULL VisionSOM SoM and VisionCB-RT-STD evaluation board support.
The SoM has an iMX6ULL, 512 MiB of DRAM and microSD slot. The carrier
board has Ethernet, USB host port, USB OTG port.

Signed-off-by: Arkadiusz Karas <arkadiusz.karas@somlabs.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/board/somlabs/visionsom-6ull/MAINTAINERS b/board/somlabs/visionsom-6ull/MAINTAINERS
new file mode 100644
index 0000000..905c000
--- /dev/null
+++ b/board/somlabs/visionsom-6ull/MAINTAINERS
@@ -0,0 +1,6 @@
+VISIONSOM-6ULL BOARD
+M:	Arkadiusz Karas <arkadiusz.karas@somlabs.com>
+S:	Maintained
+F:	board/somlabs/visionsom-6ull/
+F:	include/configs/somlabs_visionsom_6ull.h
+F:	configs/somlabs_visionsom_6ull_defconfig