PM: runtime: Fix pm_runtime_active() kerneldoc comment

The kerneldoc comment of pm_runtime_active() does not reflect the
behavior of the function, so update it accordingly.

Fixes: 403d2d11 ("PM: runtime: Add kerneldoc comments to multiple helpers")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>

include/linux/pm_runtime.h

@@ -129,7 +129,7 @@ static inline bool pm_runtime_suspended(struct device *dev)
  * pm_runtime_active - Check whether or not a device is runtime-active.
  * @dev: Target device.
  *
- * Return %true if runtime PM is enabled for @dev and its runtime PM status is
+ * Return %true if runtime PM is disabled for @dev or its runtime PM status is
  * %RPM_ACTIVE, or %false otherwise.
  *
  * Note that the return value of this function can only be trusted if it is