gpu-viv-bin-mx6q: add version in libraries symlinks

Create libraries symbolic links with version numbers.

This now matches what is done in Yocto:
https://github.com/Freescale/meta-fsl-arm/blob/dizzy/recipes-graphics/gpu-viv-bin-mx6q/gpu-viv-bin-mx6q.inc#L165



Tested-by: Gary Bisson <gary.bisson@boundarydevices.com>
Reviewed-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>