sdm: config: enable SmoMo by default

Enable display smooth motion feature by default.

Change-Id: I6cb955403b69387b36a6be46570f54fff4d2f0dc
diff --git a/config/display-product.mk b/config/display-product.mk
index e521ca6..30661cc 100644
--- a/config/display-product.mk
+++ b/config/display-product.mk
@@ -47,7 +47,8 @@
     vendor.display.disable_excl_rect=0 \
     vendor.display.comp_mask=0 \
     vendor.display.enable_default_color_mode=1 \
-    vendor.display.enable_posted_start_dyn=1
+    vendor.display.enable_posted_start_dyn=1 \
+    vendor.display.use_smooth_motion=1
 
 #Set WCG properties
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += ro.surface_flinger.has_wide_color_display=true