msm: 8974: Add support for DSI PLL control through clock driver

Add new APIs to give control to clock driver
to configure the DSI PLL.

Change-Id: I8175c232b3d9b6f73c2bf909d6abf09be41fe209
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
4 files changed