[skip ci] address comments, remove bwrc env vars, bump hammer

vlsi/Makefile

@@ -25,7 +25,7 @@ SMEMS_CACHE        ?= $(tech_dir)/sram-cache.json
 SMEMS_HAMMER       ?= $(build_dir)/$(long_name).mems.hammer.json
 MACROCOMPILER_MODE ?= -l $(SMEMS_CACHE) -hir $(SMEMS_HAMMER)
 OBJ_DIR            ?= $(vlsi_dir)/build
-ENV_YML            ?= $(vlsi_dir)/bwrc-env.yml
+ENV_YML            ?= $(vlsi_dir)/env.yml
 INPUT_CONFS        ?= example.yml
 HAMMER_EXEC        ?= ./example-vlsi
 VLSI_TOP           ?= $(TOP)

vlsi/bwrc-env.yml

@@ -1,7 +0,0 @@
-mentor.mentor_home: "/tools/mentor"
-mentor.MGLS_LICENSE_FILE: "1717@bwrcflex-1.eecs.berkeley.edu:1717@bwrcflex-2.eecs.berkeley.edu"
-cadence.cadence_home: "/tools/cadence"
-cadence.CDS_LIC_FILE: "5280@bwrcflex-1.eecs.berkeley.edu:5280@bwrcflex-2.eecs.berkeley.edu"
-synopsys.synopsys_home: "/tools/synopsys"
-synopsys.SNPSLMD_LICENSE_FILE: "1701@bwrcflex-1.eecs.berkeley.edu:1701@bwrcflex-2.eecs.berkeley.edu"
-synopsys.MGLS_LICENSE_FILE: "1717@bwrcflex-1.eecs.berkeley.edu:1717@bwrcflex-2.eecs.berkeley.edu"

vlsi/env.yml

@@ -0,0 +1,13 @@
+# Base path to where Mentor tools are installed
+mentor.mentor_home: ""
+# Mentor license server/file
+mentor.MGLS_LICENSE_FILE: ""
+# Base path to where Cadence tools are installed
+cadence.cadence_home: ""
+# Cadence license server/file
+cadence.CDS_LIC_FILE: ""
+# Base path to where Synopsys tools are installed
+synopsys.synopsys_home: ""
+# Synopsys license server/files
+synopsys.SNPSLMD_LICENSE_FILE: ""
+synopsys.MGLS_LICENSE_FILE: ""