mfd: pm8058: Locally disable regulators S0/1/3 and L21 during shutdown

When shutting down or restarting, PMIC 8058 regulator S0, S1, S3 and
L21 need to be managed manually. Since the master enable bits for these
regulators are kept set, the local enable bits should be unset and the
active pull-down must be enabled. Any regulators in advanced mode
should be disabled as well. This regulator state ensures that
these regulators drops as expected when PS_HOLD is dropped.

CRs-Fixed: 295731
Signed-off-by: David Collins <collinsd@codeaurora.org>
Signed-off-by: Willie Ruan <wruan@codeaurora.org>