drm/nouveau/hwmon: s/fan0/fan1/

Fan speed info now shown by sensors.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/Documentation/thermal/nouveau_thermal b/Documentation/thermal/nouveau_thermal
index ec854fd..efceb78 100644
--- a/Documentation/thermal/nouveau_thermal
+++ b/Documentation/thermal/nouveau_thermal
@@ -58,7 +58,7 @@
 
 You may also have the following attribute:
 
- * fan0_input: Speed in RPM of your fan.
+ * fan1_input: Speed in RPM of your fan.
 
 Your fan can be driven in different modes: