intel/nir: add printf lowering

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25814>

src/intel/dev/intel_debug.c

@@ -106,6 +106,7 @@ static const struct debug_control debug_control[] = {
    { "draw_bkp",    DEBUG_DRAW_BKP },
    { "bat-stats",   DEBUG_BATCH_STATS },
    { "reg-pressure", DEBUG_REG_PRESSURE },
+   { "shader-print", DEBUG_SHADER_PRINT },
    { NULL,    0 }
 };