mesa-gl: Blacklist the recipe for i.MX6 SoCs with GPU
The mesa-gl is not in sure for the i.MX6 SoC from Quad, DualLite,
SoloX and SoloLite families. The full featured, but trimmed, mesa is
used instead.
This fixes following warning:
,----
| NOTE: multiple providers are available for runtime libgl-mesa-dev (mesa, mesa-gl)
| NOTE: consider defining a PREFERRED_PROVIDER entry to match libgl-mesa-dev
| NOTE: multiple providers are available for runtime mesa-driver-swrast (mesa, mesa-gl)
| NOTE: consider defining a PREFERRED_PROVIDER entry to match mesa-driver-swrast
`----
Change-Id: I082b8f7a739e4ea3cfe5f1760c7163d118e9883c Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
