regulator: max8952: Separate constraints from platform data struct

This patch modifies platform data structure of max8952 driver to
use pointer to regulator_init_data struct instead of embedding it.

This is a prerequisite for adding Device Tree support for the driver.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/linux/regulator/max8952.h b/include/linux/regulator/max8952.h
index 45e4285..c13aa34 100644
--- a/include/linux/regulator/max8952.h
+++ b/include/linux/regulator/max8952.h
@@ -128,7 +128,7 @@
 	u8 sync_freq;
 	u8 ramp_speed;
 
-	struct regulator_init_data reg_data;
+	struct regulator_init_data *reg_data;
 };