msm: vidc: Correct CBR limit checks

CBR_CFR and CBR_VFR limit checks are currently done
as less than instead of less than equal to. Correct
these checks.

CRs-Fixed: 2315974
Change-Id: I49d76a89942634df7c3f7546061ebf881f77dbdb
Signed-off-by: Vaibhav Deshu Venkatesh <vdeshuve@codeaurora.org>