This configures the Qt to use the OpenGL ES2 and KMS backend for the
'use-mainline-bsp' case. It also includes a fix for the font rendering
issue found when using Etnaviv which were used for Android-based
platforms but now being enabled for all EGL based systems.
Change-Id: Icdfd2a01836a90bcedbe1665ab3a0733ed505eff
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>