clk: qcom: mdss: add additional dividers for CPHY support

Panels supporting Cphy use a specific divider
blocks. Add additional divider blocks for byte
and pixel clock output to support DSI CPHY.

Change-Id: I74b3ee2bdd22ae8fa20567fe837e03915537c4fb
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>