Added new package: v4l-utils

Signed-off-by: Andre Silva <andre.silva@freescale.com>
Upgraded package: glib2

Signed-off-by: Andre Silva <andre.silva@freescale.com>
Added new package: libffi (glib2 dependency)

Signed-off-by: Andre Silva <andre.silva@freescale.com>
Patch needed for the libffi, this pach must be copied to /opt/freescale/pkgs

Signed-off-by: Andre Silva <andre.silva@freescale.com>