msm: vidc: Fix spurious print messages

Fix following incorrect messages.

    - Freq is printed before updating resulting print of '0' always.
    - Release buffer warning is printed in some non-fatal error scenarios.

CRs-Fixed: 2048564
Change-Id: I87089b2266c81a6d9d7033244d0addcc0d812223
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>