ARM: dts: msm: add SMART_PANEL_ALIGN_MODE entry on SDM845, SDM670

Add the DT property to configure the SMART_PANEL_ALIGN_MODE for
SDM845 and SDM670 targets. This is required on command mode split
display to avoid the skew of the MDP output to DSI0 and DSI1.

Change-Id: Ibdae1515ebea2e30045044c4a082f001a1b72e95
Signed-off-by: Sravanthi Kollukuduru <skolluku@codeaurora.org>