am 2ecf3f5e: dumpstate: Add backlight information to bugreport output.

Merge commit '2ecf3f5e00ea2ac630ffb405baba33113596cf38' into eclair-mr2

* commit '2ecf3f5e00ea2ac630ffb405baba33113596cf38':
  dumpstate: Add backlight information to bugreport output.