drm/msm/dsi-staging: fix incorrect logging of ESD information

In the current implementation DSI driver is logging ESD
feature to be enabled even if the property is not added.
This change fixes the same by moving the log location to
end of ESD feature parsing function.

Change-Id: I1c4824f78325c102352348d10710b025b266ba7d
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>