Enable DSI 10nm PHY driver in MSM DRM (used by SDM845)

configname: CONFIG_DRM_MSM_DSI_10NM_PHY

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Enable DSI 10nm PHY driver in MSM DRM (used by SDM845)
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Choose this option if DSI PHY on SDM845 is used on the platform.