mfd: s2mps11: Fix build after regmap field rename in sec-core.c

Fix building of s2mps11 regulator and clock drivers after renaming
regmap field in struct sec_pmic_dev in commit:
 - "mfd/rtc: s5m: Fix register updating by adding regmap for RTC"

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>