lcd: add model get interface [1/1]

PD#SWPL-189063

Problem:
model_name use unifykey instead of uboot env

Solution:
Support get model name interface

Verify:
t6d br301

Change-Id: I4032bba05edc461cf095ae3d8b40d801b77abb2e
Signed-off-by: huijie.huang <huijie.huang@amlogic.com>
2 files changed