PM: runtime: Fix resposible -> responsible in runtime.c

s/resposible/responsible/

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
[ rjw: Subject edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/base/power/runtime.c

@@ -1100,7 +1100,7 @@ EXPORT_SYMBOL_GPL(__pm_runtime_resume);
  * suspending the device when both its runtime PM status is %RPM_ACTIVE and its
  * runtime PM usage counter is not zero.
  *
- * The caller is resposible for decrementing the runtime PM usage counter of
+ * The caller is responsible for decrementing the runtime PM usage counter of
  * @dev after this function has returned a positive value for it.
  */
 int pm_runtime_get_if_active(struct device *dev, bool ign_usage_count)