Parse the DTS panel type settings. Consider the default
panel physical type as LCD. We need to set OLED in DTS if
the panel is an OLED type.
Change-Id: Ib53651ab3861e75bf061f38d60a2f6135c1f537d
Signed-off-by: Wenjun Zhang <wjzhan@codeaurora.org>
Signed-off-by: Yuan Zhao <yzhao@codeaurora.org>