leds: At disable, set the trigger to default instead of wiping it

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
arm/dt: msm8974-leds: Increase flash LED current

By increasing LED flash current, camera gets better
image quality.

Signed-off-by: Sushmitha Gummalla <sgumma@codeaurora.org>
Signed-off-by: Shuzhen Wang <shuzhenw@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>