media_profiles: the HFR parameters don't need to be mandatory

Change-Id: I5e2d32f3be31f2ef82c314088d032105e6c8a5f8
camera: Fix preview on SEMC msm7x30 devices

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I79039636ae188131b491c90cfe7894ff32d8ef2a