Fix crash during CSID init/deinit sequence due to accessing
invalid ppi hw interface pointer incase if PPI hw is not
present in device.
CRs-Fixed: 3478317
Change-Id: I4a97105800d07407ecddd6611c10f4e481c133d7
Signed-off-by: Alok Chauhan <quic_alokc@quicinc.com>