clk: qcom: gcc: Add new freqency table for gcc_emac_ptp_clk_src

The gcc_emac_ptp_clk_src has a new frequency plan as
per hardware requirement, so update the same.

Change-Id: I3228580511cd0aabcd5683108f75c1b9d0d86fff
Signed-off-by: Shefali Jain <shefjain@codeaurora.org>