msm: camera: utils: populate applied clock rate properly
Currently applied clock rate variable is getting updated
with default -ve value for clocks for which no rate set.
This is giving wrong impression of clock rate being applied.
Updated applied clock rate based on clock rate value set.
CRs-Fixed: 3794045
Change-Id: Ib37165dbaf4c1ec56abff1d3ba3eaf21eae79734
Signed-off-by: Alok Chauhan <[email protected]>