regulators: max77693: register driver earlier to avoid deferred probe

MAX77693 based regulators are used by USB gadget subsystem, which
doesn't support deferred probe, so the driver should be registered
before USB gadget drivers get probed.

Signed-off-by: Marek Szyprowski <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/max77693.c

···
 	.id_table = max77693_pmic_id,
 };
 
-module_platform_driver(max77693_pmic_driver);
+static int __init max77693_pmic_init(void)
+{
+	return platform_driver_register(&max77693_pmic_driver);
+}
+subsys_initcall(max77693_pmic_init);
+
+static void __exit max77693_pmic_cleanup(void)
+{
+	platform_driver_unregister(&max77693_pmic_driver);
+}
+module_exit(max77693_pmic_cleanup);
 
 MODULE_DESCRIPTION("MAXIM 77693/77843 regulator driver");
 MODULE_AUTHOR("Jonghwa Lee <[e-mail]>");