leds: leds-qpnp: Change torch trigger API

Change torch trigger API by adding a separate torch node in DT and
by controlling that torch node to turn on and turn off torch led.
This eliminated sysfs entry to turn on torch mode.

Change-Id: Ia443f4bb21262df2c1d394f05bd72db08a079b7e
Signed-off-by: Chun Zhang <chunz@codeaurora.org>
2 files changed