ARM: dts: msm: display: add topology configs for Sharp wqxga panel

Sharp WQXGA dual-dsi panel can be supported in two modes, dual layer
mixers + dual-DSI or single layer mixer + pingpong-split + dual-DSI.
Add these configurations so that targets can choose based on their
requirements.

Change-Id: I4575ce891199d89e74d271b4bf6f18e169d7970d
Signed-off-by: Ujwal Patel <ujwalp@codeaurora.org>
Signed-off-by: Shivaraj Shetty <shivaraj@codeaurora.org>