msm: vidc: Misc bug fixes in platform specific data

This change has following bug fixes

    - Fix typo for Never Unload FW key string.
    - Reduce HW response time than power collapse time.

CRs-Fixed: 2062045
Change-Id: I354962b15ff7e0faaf42b14d665cbe7e58af15e3
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>