A few more tweaks to scripts

- Changed `make summary` to show a one line summary
- Added `make lfs.csv` rule, which is useful for finding more info with
  other scripts
- Fixed small issue in ./scripts/summary.py
- Added *.ci (callgraph) and *.csv (script output) to CI

.gitignore

@@ -2,6 +2,8 @@
 *.o
 *.d
 *.a
+*.ci
+*.csv
 
 # Testing things
 blocks/