msm: camera: icp: allow icp debug clock for debug purpose

Max support clock frequency varies from target to target.
Do not restrict the debug icp clock with max supported clock
and allow it to set with any value.

CRs-Fixed: 2878329
Change-Id: Ia157d38c4aa4b1183650bf6ff47f3181fb8012cd
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>