drivers: cpuidle: remove checkpatch error

this commit removes the checkpatch error in cpuidle_enable_device
function. With removal of error, this commit makes the calling of
cpuidle_curr_governor->enable more smooth.

Signed-off-by: Gaurav Jindal <gauravjindal1104@gmail.com>

Author: grvjindal100

drivers/cpuidle/cpuidle.c

@@ -391,9 +391,11 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
 	if (ret)
 		return ret;
 
-	if (cpuidle_curr_governor->enable &&
-	    (ret = cpuidle_curr_governor->enable(drv, dev)))
-		goto fail_sysfs;
+	if (cpuidle_curr_governor->enable) {
+		ret = cpuidle_curr_governor->enable(drv, dev);
+		if (ret)
+			goto fail_sysfs;
+	}
 
 	smp_wmb();