clk: qcom: clk-cpu-osm: Add additional check for SDMSHRIKE

The perfpcl clock isn't present on SDMSHRIKE. Avoid calling the
read_lut API for it.

Change-Id: Ide725f471bfff05251a87558ae40bda971ce593a
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>