msm: camera: cdm: Fix parsing of supported cdm clients

cdm client check for loading number of clients is
not correct. It does not take error codes into account.
The variable that holds the value is of incorrect
data type.

CRs-fixed: 2768636
Change-Id: Ie5b752aa6bc7a70fe777c16a70a5bdb2e5a663a4
Signed-off-by: Jigar Agrawal <jigar@codeaurora.org>