regulator: ab8500-ext: Remove enable() and disable() functions
Both enable() and disable() functions have only one caller, thus remove them.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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