dev: gcdb: display: add support for hx8399c fhd+ video mode panel

SDM450 pre_evt target supports fhd+  video mode panel which uses the
hx8399c DDIC. Add the gcdb header file for this panel.

Change-Id: Ib97025f42c2e80b69bd6ce5ff2cae214db0a00dc
Signed-off-by: Rashi Bindra <rbindra@codeaurora.org>
3 files changed