Enable DSI support in MSM DRM driver

configname: CONFIG_DRM_MSM_DSI

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Enable DSI support in MSM DRM driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Choose this option if you have a need for MIPI DSI connector
support.