meta-quanta: gsj: Detect dual rotor fan fail

While rpm of dual rotor are lower than critical threshold
of fan, the script would stop phosphor-pid-control.service
and set other rotors pwm to 255 until fail rotor recover,
which test on gsj board pass.

Signed-off-by: Duke Du <Duke.Du@quantatw.com>
Change-Id: Id8d4b9476d8f6783a9b2cf77b0ff4b82cd985a75
3 files changed