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

The gcc_emac_ptp_clk_src is sharing frequency table with
emac_clk_src and there is requirement to add new frequency
level for emac_clk_src, so add the new frequency table for
gcc_emac_ptp_clk_src.

Change-Id: I7bfa8255d9e325fe65f0d164d01dfd08f2acab8d
Signed-off-by: Shefali Jain <shefjain@codeaurora.org>