clk: qcom: Updating hdmi_pclk_clk_src configuration

hdmi_pclk_clk_src is rcg for hdmi pll which needs to be
configured as per hdmi pll requirement. Updating the
rcg configuration for the same.

Change-Id: Iecab8c309c0d69a1fe035c3e59c84694ceb91aa7
Signed-off-by: Shefali Jain <shefjain@codeaurora.org>