clk: qcom: 8939: Add more precision to frequencies for cpp

Modify the clock rates in the frequency table for cpp clock, so as to
reduce the difference between the rate set and rate measured falls in a
acceptable limit.

CRs-Fixed: 753178
Change-Id: I26510b54eb819a5196aef4d237ef980ff9f0a57e
Signed-off-by: Arun KS <arunks@codeaurora.org>