Enable legacy fbdev support

configname: CONFIG_DRM_TEGRA_FBDEV

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager
└─>Enable legacy fbdev support
In linux kernel since version 3.14 (release Date: 2014-03-30)  
Choose this option if you have a need for the legacy fbdev support.
Note that this support also provides the Linux console on top of
the Tegra modesetting driver.