board: icorem6: Add Qt5 configs for 1280x480 LVDS display

i.CoreM6 OF C.TOUCH 12 Kit has 1280x480 LVDS display, this patch adds
relevant qt5 configs with supports opensource Etnaviv graphical stack.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

board/engicam/icorem6/readme.txt

@@ -91,6 +91,8 @@ Running Qt5 Cinematic Demo:
 # export QT_QPA_EGLFS_KMS_CONFIG=/root/imx6qdl-icore.json
 - for i.CoreM6 ofcap10
 # export QT_QPA_EGLFS_KMS_CONFIG=/root/imx6qdl-icore-ofcap10.json
+- for i.CoreM6 ofcap12
+# export QT_QPA_EGLFS_KMS_CONFIG=/root/imx6qdl-icore-ofcap12.json
 # CinematicExperience-demo
 
 Enjoy!

board/engicam/icorem6/rootfs_overlay/root/imx6qdl-icore-ofcap12.json

@@ -0,0 +1,11 @@
+{
+  "device": "/dev/dri/card1",
+  "hwcursor": false,
+  "pbuffers": true,
+  "outputs": [
+    {
+      "name": "LVDS-1",
+      "mode": "1280x480"
+    }
+  ]
+}

configs/engicam_imx6qdl_icore_qt5_defconfig

@@ -30,7 +30,7 @@ BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
 BR2_LINUX_KERNEL_UIMAGE=y
 BR2_LINUX_KERNEL_UIMAGE_LOADADDR="0x10008000"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6dl-icore imx6q-icore imx6q-icore-ofcap10"
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6dl-icore imx6q-icore imx6q-icore-ofcap10 imx6q-icore-ofcap12"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/engicam/icorem6/linux_qt5.fragment"
 
 # Filesystem