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/Kconfig b/board/somlabs/visionsom-6ull/Kconfig
new file mode 100644
index 0000000..37408aa
--- /dev/null
+++ b/board/somlabs/visionsom-6ull/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_SOMLABS_VISIONSOM_6ULL
+
+config SYS_BOARD
+	default "visionsom-6ull"
+
+config SYS_VENDOR
+	default "somlabs"
+
+config SYS_CONFIG_NAME
+	default "somlabs_visionsom_6ull"
+
+endif