Makefile: add OPENSTA_EXE for read_power_activites in scripts

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/Makefile

@@ -295,6 +295,7 @@ endif
 #       1 user explicit set with variable in Makefile or command line, for instance setting OPENROAD_EXE
 #       2 ORFS compiled tools: openroad, yosys
 export OPENROAD_EXE      ?= $(abspath $(FLOW_HOME)/../tools/install/OpenROAD/bin/openroad)
+export OPENSTA_EXE       ?= $(abspath $(FLOW_HOME)/../tools/install/OpenROAD/bin/sta)
 
 OPENROAD_ARGS            = -no_init $(OR_ARGS)
 OPENROAD_CMD             = $(OPENROAD_EXE) -exit $(OPENROAD_ARGS)