leds: leds-pm8xxx: Avoid OVP spike when disabling wled

Software workaround for hardware issue where OVP can spike
when disabling WLED module.

Change-Id: I41b5524bd9f4769426dccb83fc0eb089561b0fb7
Signed-off-by: Amy Maloche <amaloche@codeaurora.org>
Merge "leds: leds-pm8xxx: Avoid OVP spike when disabling wled"