regulator: ab8500: Remove the need for a 'delay' property

The regulator framework now has provisions to read a regulator's
start-up time via the 'enable_time' attribute. So let's remove all
'enable_time'/'delay' duplication and just stick with 'enable_time'
from now on.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index 8a9cd45..7892a51 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -654,7 +654,7 @@
 {
 	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
 
-	return info->delay;
+	return info->desc.enable_time;
 }
 
 static struct regulator_ops ab8500_regulator_volt_mode_ops = {
@@ -1108,7 +1108,6 @@
 			.volt_table	= fixed_2000000_voltage,
 			.enable_time	= 10000,
 		},
-		.delay			= 10000,
 		.load_lp_uA		= 1000,
 		.update_bank		= 0x03,
 		.update_reg		= 0x80,
@@ -1374,7 +1373,6 @@
 			.volt_table	= fixed_2000000_voltage,
 			.enable_time	= 10000,
 		},
-		.delay			= 10000,
 		.load_lp_uA		= 1000,
 		.update_bank		= 0x03,
 		.update_reg		= 0x80,
@@ -1672,7 +1670,6 @@
 			.n_voltages	= 1,
 			.enable_time	= 10000,
 		},
-		.delay			= 10000,
 		.load_lp_uA		= 1000,
 		.update_bank		= 0x03,
 		.update_reg		= 0x80,