Merge pull request #1849 from The-OpenROAD-Project-staging/microwatt-mpl2

Change microwatt from manual macro placement to mpl2

Author: maliberty

flow/designs/sky130hd/microwatt/config.mk

@@ -21,7 +21,9 @@ export ADDITIONAL_LEFS  = $(wildcard $(microwatt_DIR)/lef/*.lef)
 
 export ADDITIONAL_LIBS = $(wildcard $(microwatt_DIR)/lib/*.lib)
 
-export MACRO_PLACEMENT = $(microwatt_DIR)/microwatt.macro_placement.cfg
+export SYNTH_HIERARCHICAL = 1
+
+export RTLMP_FLOW = True
 
 # CTS tuning
 export CTS_BUF_CELL = sky130_fd_sc_hd__clkbuf_8