Add snapshot of msm_ext_display driver in mm-drivers repo. Change-Id: Iaf70f09d3a95f564e08105d33cdc26cbb4981048 Signed-off-by: Shashank Babu Chinta Venkata <sbchin@codeaurora.org> Signed-off-by: Jeykumar Sankaran <quic_jeykumar@quicinc.com>