enable psm on ng45/bp_be_top again

Signed-off-by: Matt Liberty <[email protected]>

Author: maliberty

flow/platforms/nangate45/config.mk

@@ -113,13 +113,8 @@ export RCX_RULES               = $(PLATFORM_DIR)/rcx_patterns.rules
 #  IR Drop
 # ---------------------------------------------------------
 
-# Temporarily disable due to bp_be_top pdn issue
-ifneq ($(DESIGN_NAME),bp_be_top)
-
 # IR drop estimation supply net name to be analyzed and supply voltage variable
 # For multiple nets: PWR_NETS_VOLTAGES  = "VDD1 1.8 VDD2 1.2"
 export PWR_NETS_VOLTAGES  ?= "VDD 1.1"
 export GND_NETS_VOLTAGES  ?= "VSS 0.0"
 export IR_DROP_LAYER ?= metal1
-
-endif