udev-extraconf: restrict access to graphic buffers

For security reasons fb and galcore devices must be only accessible by root user and/or video group.
All other users must not have access to graphic buffers.

Signed-off-by: Alexander Shashkevich <alex@stunpix.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
udev-extraconf: replace bbappend with own recipe

Forcing udev-extraconf causes various strange effects. This was
discussed long time ago in oe-core on [1] and resulted in [2].

[1] http://lists.openembedded.org/pipermail/openembedded-core/2013-April/077880.html
[2] http://lists.openembedded.org/pipermail/openembedded-commits/2013-May/148591.html

Signed-off-by: Alexander Shashkevich <alex@stunpix.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
udev-extraconf: deleting bbappend recipe

udev-extraconf_%.bbappend file was not deleted after it was replaced by udev-rules-imx.bb

Signed-off-by: Alexander Shashkevich <alex@stunpix.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
image_types_fsl.bbclass: Use 69K as offset to load image

The U-Boot mainline uses 69K as offset so we ought to use it here;
this aligns the SD card image layout to work out of box with all
U-Boot mainline based SPL boards.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
gpu-viv-bin-mx6q: Remove patch files which are unused

Some patches were not removed while updating the recipe. This dropes
the left over files to remove them from the layer.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
linux-fslc: Update revision to 783addbf

This updates the Linux kernel to the 3.17.4 stable release.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>