Troika : fimc-is2: update cis driver

Troika	: fimc-is2: update cis driver

1. update 12a10/16885c code indets for fix SCAR
2. update 16885c setting to decrease vblank time
3. support LEC function for 12a10

Change-Id: I8835e51a447b8dbc267f82b21ffb8ef66e3cc443
Signed-off-by: wangdw10 <wangdw10@mt.com>
Reviewed-on: https://gerrit.mot.com/1330699
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: Jira Key