mfd: early init for MFD running regulators

For MFDs running regulator cores, we really want them to be brought up early
during boot.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Mike Rapoport <mike@compulab.co.il>

drivers/mfd/da903x.c

@@ -561,7 +561,7 @@ static int __init da903x_init(void)
 {
 	return i2c_add_driver(&da903x_driver);
 }
-module_init(da903x_init);
+subsys_initcall(da903x_init);
 
 static void __exit da903x_exit(void)
 {

drivers/mfd/pcf50633-core.c

@@ -705,5 +705,5 @@ MODULE_DESCRIPTION("I2C chip driver for NXP PCF50633 PMU");
 MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
 MODULE_LICENSE("GPL");
 
-module_init(pcf50633_init);
+subsys_initcall(pcf50633_init);
 module_exit(pcf50633_exit);

drivers/mfd/wm8400-core.c

@@ -460,7 +460,7 @@ static int __init wm8400_module_init(void)
 
 	return ret;
 }
-module_init(wm8400_module_init);
+subsys_initcall(wm8400_module_init);
 
 static void __exit wm8400_module_exit(void)
 {