sensor: According to datasheet modify Sar Sensor Power

sensor: According to datasheet modify Sar Sensor Power

According to SX9331 datasheet:
One channel's current consumption is 27uA(Active states),
use five channels,so current consumption is 135uA(Active).

On the upper level,we virtual sar sensor into three sensors,
so set sensor power to 45uA.

Change-Id: I1e1a0d6f31d81421bb375dd7fcfbec4cfe14e739
Signed-off-by: Wen Xie <xiewen3@motorola.com>
Reviewed-on: https://gerrit.mot.com/1309253
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Yuchang Guo <guoyc1@mt.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key