target: msm8226: Update auto PLL with dual DSI support

MSM8226 support single DSI controller. Update its target
API to call auto pll with dsi controller 0. Move target
specific pll enable sequence in 8226 target display
module.

Change-Id: I0339e26f49d5a06d771f56e89e1c1af4a01c4d16
2 files changed