(sysint/generic) handling optional params in launchSocProv.sh
(sysint/generic) handling optional params in launchSocProv.sh

Reason for change: support for special calls from ServiceManager
Test Procedure:  1) /lib/rdk/lauchSocProv.sh --status will create
/tmp/socprovisioning-fifo with the status JSON. Remove this file 2)
Default provisioning workflow works as expected
Risks: None
Signed-off-by: Sergiy Gladkyy <sgladkyy@productengine.com>

Change-Id: I37e7a6feaf94f697fa0c376e0c62375dee6d4f55

rdkcmf/rdk-sysint