[COMMON] fimc-is2: change 'ENABLE_SENSOR_VC_FUNCTION' to 'CHAIN_ENABLE_VC_TASKLET'

[COMMON] fimc-is2: change 'ENABLE_SENSOR_VC_FUNCTION' to 'CHAIN_ENABLE_VC_TASKLET'

PR JIRA ID: CPR-584

CRs-fixed: (CR)

Change-Id: I749b371a3fefe175002c3bb418710Montanaae7c8ce4
Signed-off-by: Jeongtae Park <jtp.park@samsung.com>
Reviewed-on: https://gerrit.mot.com/1329480
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Dawei Wang <wangdw10@motorola.com>
Reviewed-by: Zhichao Chen <chenzc2@motorola.com>
Submit-Approved: Jira Key