regulator: max77620: remove redundant assignment to variable ret

The variable ret is being initialized with a value that is never
read and it is being updated later with a new value. The
initialization is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/max77620-regulator.c

···
 {
 	struct max77620_regulator *pmic = rdev_get_drvdata(rdev);
 	int id = rdev_get_id(rdev);
-	int ret = 1;
+	int ret;
 
 	if (pmic->active_fps_src[id] != MAX77620_FPS_SRC_NONE)
 		return 1;