drm/msm/dp: Add P/N swap support for dp phy

Add P/N swap support for DP PHY.

Change-Id: Ibc8be5aba9b658c52985dcd147cb2acfec9a1cf0
Signed-off-by: Xiaowen Wu <wxiaowen@codeaurora.org>
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
7 files changed