input: vl53l0x: return ENODEV if vl53l0x not enable

if vl53l0x sensor not enable, it will output a wrong data.
so we return "ENODEV" when sensor not enable.

Change-Id: I4b6a074d9999e5fd947738e9b611be45708b9a1c
Signed-off-by: Chaojun Wang <chaojun@codeaurora.org>