leds: qti-flash: Enable the torch mode after enabling the led module

Currently, we are enabling the torch mode before enabling
led module. This causes large USB current spike after the torch
event. To avoid such undesired behaviour enable the torch
mode after enabling the led module.

Change-Id: I1d867b07d05c3d745220c33a941680aa7d70f1f5
Signed-off-by: Kavya Nunna <knunna@codeaurora.org>