Change MMCME2 advanced COMPENSATION parameter to have a default of INTERNAL.

Signed-off-by: Brent Nelson <nelson@ee.byu.edu>

xc/xc7/techmap/cells_map.v

diff --git a/xc/xc7/techmap/cells_map.v b/xc/xc7/techmap/cells_map.v
index e421d5a..fd93e82 100644
--- a/xc/xc7/techmap/cells_map.v
+++ b/xc/xc7/techmap/cells_map.v
@@ -4790,7 +4790,7 @@
 
   parameter BANDWIDTH = "OPTIMIZED";
   parameter STARTUP_WAIT = "FALSE";
-  parameter COMPENSATION = "ZHOLD";
+  parameter COMPENSATION = "INTERNAL";
 
   parameter CLKIN1_PERIOD = 0.0;
   parameter REF_JITTER1 = 0.01;