drivers: input: vl53l0x: add multi vl53l0x sensors support

This change removes the reserved sys-point because it will confilct
when there is multi devices probe.The driver will support multi
vl53l0x time of flight sensors when they probe in different i2c bus.

Change-Id: I39f4466f61660a81a0a3e229b082966d159a8fd3
Signed-off-by: zhaochen <zhaochen@codeaurora.org>