regulator: pf8x00: set ramp_delay for bucks

This patch sets ramp_delay for bucks to the max value given by the
datasheet.
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Reviewed-by: Adrien Grassein <adrien.grassein@gmail.com>
Link: https://lore.kernel.org/r/60d8eb8feefd26380cc9c6503f835e569be90465.camel@googlemail.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/pf8x00-regulator.c

@@ -413,6 +413,7 @@ static const struct regulator_ops pf8x00_vsnvs_ops = {
 			.type = REGULATOR_VOLTAGE,		\
 			.id = PF8X00_BUCK ## _id,		\
 			.owner = THIS_MODULE,			\
+			.ramp_delay = 19000,			\
 			.linear_ranges = pf8x00_sw1_to_6_voltages, \
 			.n_linear_ranges = \
 				ARRAY_SIZE(pf8x00_sw1_to_6_voltages), \
@@ -446,6 +447,7 @@ static const struct regulator_ops pf8x00_vsnvs_ops = {
 			.type = REGULATOR_VOLTAGE,		\
 			.id = PF8X00_BUCK7,		\
 			.owner = THIS_MODULE,			\
+			.ramp_delay = 19000,			\
 			.volt_table = voltages,			\
 			.vsel_reg = (base) + SW_RUN_VOLT,	\
 			.vsel_mask = 0xff,			\