mfd: ab8500-core: Fix invalid free of devm_ allocated data

The objects allocated by devm_* APIs are managed by devres and are
freed when the device is detached. Hence there is no need to remove
them explicitly in remove function.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 5b8a4de..660a09b 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -1437,11 +1437,6 @@
 		sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
 
 	mfd_remove_devices(ab8500->dev);
-	free_irq(ab8500->irq, ab8500);
-
-	kfree(ab8500->oldmask);
-	kfree(ab8500->mask);
-	kfree(ab8500);
 
 	return 0;
 }