drm/msm/dp: return number of displays as 0 if dp node is disabled

When DP node is disabled in the DT file, dp driver is returning
incorrect number of displays connected

Change-Id: I94655ee40cb3785f8186f0eef5f88d3ec4020b09
Signed-off-by: Sankeerth Billakanti <sbillaka@codeaurora.org>
1 file changed