msm: vidc: Change defaults to maximum values

In state transitions, all instance values are not reliable.
When clocks and bus scaling algorithms don't find the exact
match with these values, vote for highest values instead of
lowest values. This helps to handle state transistions faster.

CRs-Fixed: 2012520
Change-Id: I76f59549cf6fc9e94ec86fd2fbae2eb7cc3f9454
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>