regulator: remove use of __devexit

CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
index afc3e89..261f3d2 100644
--- a/drivers/regulator/dbx500-prcmu.c
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -230,7 +230,7 @@
 	return -ENOMEM;
 }
 
-int __devexit ux500_regulator_debug_exit(void)
+int ux500_regulator_debug_exit(void)
 {
 	debugfs_remove_recursive(rdebug.dir);
 	kfree(rdebug.state_after_suspend);