regulator: atc260x: Fix missing active_discharge_on setting

Without active_discharge_on setting, the SWITCH1 discharge enable control
is always disabled. Fix it.

Fixes: 3b15ccac

 ("regulator: Add regulator driver for ATC260x PMICs")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20220403132235.123727-1-axel.lin@ingics.com


Signed-off-by: Mark Brown <broonie@kernel.org>