[COMMON] fimc-is2: add delay time when retry sensor i2c read

[COMMON] fimc-is2: add delay time when retry sensor i2c read

 - when retried sensor module power off to on
   add to get delay more

   3ms -> 5ms

CRs-fixed: (CR)

Change-Id: I7de6811c889e2efb2cf069a16654d3bf8ca0ac22
Signed-off-by: Wooyeon Kim <wooy88.kim@samsung.com>
Reviewed-on: https://gerrit.mot.com/1334944
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Dawei Wang <wangdw10@motorola.com>
Reviewed-by: Zhichao Chen <chenzc2@motorola.com>
Submit-Approved: Lu Lu <lulu2@mt.com>