[platform][msm_shared][mipi_dsi] remove unused code
[target][msm8960] add gcdb display support

base: https://github.com/grub4android/lk/commit/753683c232433296a1669bdfe0c80c5152a70e08
[dev][fbcon] import from CAF
[platform][msm_shared][display] changes for new fbcon
add support for msm8960_aries target

base: https://github.com/grub4android/lk/commit/753683c232433296a1669bdfe0c80c5152a70e08