egl: sync with Khronos
Updated the EGL headers and XML file to the Khronos repository, from commit dc0b58dca533c5882c38bc623d133190fff883a4.
The motivation for this is to get EGL_EXT_device_query_name
, EGL_EXT_device_persistent_id
and EGL_EXT_device_drm_render_node
.