We don't use software_node_register_nodes() in the code, fix the comment.

Fixes: 140355e5 ("platform/x86: intel_cht_int33fe: Convert software node array to group")
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220824152115.88012-1-andriy.shevchenko@linux.intel.comSigned-off-by: NHans de Goede <hdegoede@redhat.com>