st/dri: Support EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR/GLX_CONTEXT_DEBUG_BIT_ARB on ES contexts.
The latest version of the specs explicitly allow it, and given that Mesa universally supports KHR_debug we should definitely support it. Totally untested. (Just happened to noticed this while implementing GLX_EXT_create_context_es2_profile for st/xlib.) Reviewed-by:Brian Paul <brianp@vmware.com> Reviewed-by:
Marek Olšák <marek.olsak@amd.com>