Somehow this hunk got dropped from my last patch. We do not have the
rc6_attrs when there is no CONFIG_PM so this causes a compilation error.
Reported-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NBen Widawsky <ben@bwidawsk.net>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>