Use virtual/libgl instead of mesa within the recipes to provide users the
flexibility to specify providers other than mesa.
(From OE-Core rev: ddbe09b0f9861fe3012611b5a5298eb4d7c4df45)
Signed-off-by: Sai Hari Chandana Kalluri <chandana.kalluri@xilinx.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>