meson: add missing idep_nir_headers in iris_gen_libs

Fixes: 4929f020c3 ("iris: better SBE")
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>

src/gallium/drivers/iris/meson.build

@@ -66,12 +66,12 @@ foreach v : ['80', '90', '100', '110', '120']
   iris_gen_libs += static_library(
     'libiris_gen@0@'.format(v),
     ['iris_blorp.c', 'iris_query.c', 'iris_state.c', gen_xml_pack],
-    include_directories : [inc_common, inc_intel, inc_nir],
+    include_directories : [inc_common, inc_intel],
     c_args : [
       c_vis_args, no_override_init_args, c_sse2_args,
       '-DGEN_VERSIONx10=@0@'.format(v),
     ],
-    dependencies : [dep_libdrm, dep_valgrind],
+    dependencies : [dep_libdrm, dep_valgrind, idep_nir_headers],
   )
 endforeach