disp: msm: dsi: update PHY configuration to support cphy

Add support to read cphy boolean flag from panel dtsi
and configure DSI PHY registers accordingly. Update the
bit/byte clock calculation according to cphy specifications.
Update clock parents so that the relevant divider blocks
are configured to support cphy.

Change-Id: Iaca61eec01a488657b086f59910c52f8c79e26a4
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
Signed-off-by: Yuan Zhao <yzhao@codeaurora.org>

msm/dsi/dsi_display.h

@@ -111,6 +111,7 @@ struct dsi_display_boot_param {
 struct dsi_display_clk_info {
 	struct dsi_clk_link_set src_clks;
 	struct dsi_clk_link_set mux_clks;
+	struct dsi_clk_link_set cphy_clks;
 	struct dsi_clk_link_set shadow_clks;
 };