egl: Enable 10bpc EGLConfigs for platform_{device,surfaceless}

It's somewhat annoying that these are so similar for so little benefit.

Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
22 jobs for !1860 with surfaceless-10bpc in 17 minutes and 49 seconds (queued for 4 seconds)
merge request