glsl: add ARB_bindless_texture enable

This also adds the extension to the standalone GLSL compiler.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

src/compiler/glsl/glsl_parser_extras.cpp

@@ -607,6 +607,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(ARB_ES3_1_compatibility),
    EXT(ARB_ES3_2_compatibility),
    EXT(ARB_arrays_of_arrays),
+   EXT(ARB_bindless_texture),
    EXT(ARB_compute_shader),
    EXT(ARB_compute_variable_group_size),
    EXT(ARB_conservative_depth),