intel: Expose support for DRI_API_GLES3
If the hardware/driver combo supports GLES3, then set the GLES3 bit in intel_screen's bitmask of supported DRI API's. Neither the EGL nor GLX layer uses the bit yet. Signed-off-by:Chad Versace <chad.versace@linux.intel.com> Reviewed-by:
Ian Romanick <ian.d.romanick@intel.com>