Add to asap7/aes-mbff CLUSTER_FLOPS_ARGS and LEC_CHECK=0

Set num paths and tray_weight to get a good balance of clustering and
timing.

Disabled until KF can handle mbff

Signed-off-by: Matt Liberty <mliberty@precisioninno.com>

Author: maliberty

flow/designs/asap7/aes-mbff/config.mk

@@ -15,5 +15,9 @@ export PLACE_DENSITY            = 0.65
 export TNS_END_PERCENT          = 100
 
 export CLUSTER_FLOPS            = 1
+export CLUSTER_FLOPS_ARGS       = -num_paths 200 -tray_weight 4.0
 export ENABLE_DPO               = 0
 
+# Disabled until KF can handle mbff
+export LEC_CHECK                = 0
+