anv: generate entry points from vk.xml

v2: rework entry point iteration (Jason)
    cleanup unused imports

v3: don't drop header installation (Emil)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
2 files changed