Merge pull request #2873 from The-OpenROAD-Project-staging/aes-block-pdn

asap7/aes-block: fix the setup to allow pdn to connect

Author: maliberty

flow/designs/asap7/aes-block/block.mk

@@ -10,4 +10,8 @@ export CORE_ASPECT_RATIO      = 1
 export CORE_MARGIN            = 2
 export PLACE_DENSITY          = 0.70
 
+export MAX_ROUTING_LAYER       ?= M5
+
 export PLACE_PINS_ARGS = -annealing
+
+export PDN_TCL                = $(PLATFORM_DIR)/openRoad/pdn/BLOCK_grid_strategy.tcl