nir: place aligned members after bitfields in shader_info.tess

nir: place aligned members after bitfields in shader_info.tess

The placement of new shader_info.tess members unnecessarily wastes
space by interspersing 64bit members between bitfields.

Fixes: f1dd81ae104 ("nir: Collect if shader uses cross-invocation or indirect I/O.")
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4408>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4408>