ARM: dts: msm: Fix the preview failure on sdm845v2

Remove the vote for icp_ap_clk which is needed for only
debugging the a5 core. Voting for this clock with out
qdss clock fails to intialize the icp driver eventually
leading to camera preview failures.

Change-Id: I0a100681b4d5419f7aa49c02c86a1482526a5fa6
Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>