mesa: Update 19.0.1 -> 19.0.8

mesa: Update 19.0.1 -> 19.0.8

This commit adds the following changes:

Updates from 19.0.8:

  - Mesa 19.0.8 is an emergency bug fix release which fixes a critical
    bug found in the 19.0.7 release.

  Full log:
  https://www.mesa3d.org/relnotes/19.0.8.html

Updates from 19.0.7:

  - Mesa 19.0.7 is a bug fix release which fixes bugs found since the
    19.0.6 release.

  Full log:
  https://www.mesa3d.org/relnotes/19.0.7.html

Updates from 19.0.6:

  - Mesa 19.0.6 is a bug fix release which fixes bugs found since the
    19.0.5 release.

  Full log:
  https://www.mesa3d.org/relnotes/19.0.6.html

Updates from 19.0.5:

  - Mesa 19.0.5 is a bug fix release which fixes bugs found since the
    19.0.4 release.

  Full log:
  https://www.mesa3d.org/relnotes/19.0.5.html

Updates from 19.0.4:

  - Mesa 19.0.4 is a bug fix release which fixes bugs found since the
    19.0.3 release.

  Full log:
  https://www.mesa3d.org/relnotes/19.0.4.html

Updates from 19.0.3:

  - Mesa 19.0.3 is a bug fix release which fixes bugs found since the
    19.0.2 release.

  Full log:
  https://www.mesa3d.org/relnotes/19.0.3.html

Updates from 19.0.2:

  - Mesa 19.0.2 is a bug fix release which fixes bugs found since the
    19.0.1 release.

  Full log:
  https://www.mesa3d.org/relnotes/19.0.2.html

Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Armin Kuster <akuster808@gmail.com>