Include the 3.5.7-1.0.0-alpha.2 version of GPU and the mechanism to allow this
to be matched for compatibility. When adding a package of:

Hard Float-Point, set:

 PACKAGE_FP_TYPE = "hardfp"

Soft Float-Point, set:

 PACKAGE_FP_TYPE = "softfp"

This GPU driver includes following changes/improvements:

- GLES20 window mode performance is optimized for improved performance.

- glmark2-es2 crashed fixed as documented: Workaround [YOCTO: #4954]
  so it outputs an error. A fix for it is being developed.

- glmark2-es2 performance in windowed mode. Fixes [YOCTO: 4950]

This change has been based on changes done in meta-fsl-bsp-release,
3.5.7 dylan branch, by Lauren Post <lauren.post@freescale.com> and
Evan Kotara <evan.kotara@freescale.com>.

Change-Id: If71a18df232282862ecd551d96e627b975238134
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>