Reorder Bender.yml sources according to build order, update tech_cells dep

Author: micprog

Bender.yml

@@ -4,18 +4,25 @@ package:
     - "Francesco Conti <f.conti@unibo.it>"
 
 dependencies:
-  tech_cells_generic: { git: "git@github.com:pulp-platform/tech_cells_generic.git", version: 0.1.6 }
+  tech_cells_generic: { git: "https://github.com/pulp-platform/tech_cells_generic.git", version: 0.2.2 }
 
 sources:
   - include_dirs:
       - rtl
     files:
-      - rtl/hwpe_ctrl_package.sv
+      # Source files grouped in levels. Files in level 0 have no dependencies on files in this
+      # package. Files in level 1 only depend on files in level 0, files in level 2 on files in
+      # levels 1 and 0, etc. Files within a level are ordered alphabetically.
+      # Level 0
       - rtl/hwpe_ctrl_interfaces.sv
-      - rtl/hwpe_ctrl_regfile.sv
+      - rtl/hwpe_ctrl_package.sv
+      # Level 1
       - rtl/hwpe_ctrl_regfile_latch.sv
-      - rtl/hwpe_ctrl_regfile_latch_test_wrap.sv
-      - rtl/hwpe_ctrl_slave.sv
       - rtl/hwpe_ctrl_seq_mult.sv
       - rtl/hwpe_ctrl_uloop.sv
-
+      # Level 2
+      - rtl/hwpe_ctrl_regfile_latch_test_wrap.sv
+      # Level 3
+      - rtl/hwpe_ctrl_regfile.sv
+      # Level 4
+      - rtl/hwpe_ctrl_slave.sv