Updates for the pre-commit hook

.pre-commit-config.yaml
-----------------------
  o Add more hooks

bin/setup.sh
makefiles/commands/kail/godownloader.sh
---------------------------------------
  o Shellcheck cleanups

install/README.md
-----------------
  o Add a project copyright notice.

makefiles/.../*.mk
------------------
  o Update copyright notice.
  o Replace legacy var $(ONF_MAKEDIR) with onf-mk-dir=

makefiles/virtualenv/include.mk
-------------------------------
  o Fixed a small problem with targets clean & sterile.
  o Clean target should remove

Change-Id: If624531f4d38aaacc200d3c49aee2c3804122ffb
Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
diff --git a/config.mk b/config.mk
index d11f8a6..5e11699 100644
--- a/config.mk
+++ b/config.mk
@@ -32,7 +32,7 @@
 # NO-LINT-GROOVY    := true#               # Note[1]
 # NO-LINT-JJB       := true#               # Note[2]
 # NO-LINT-JSON      := true#               # Note[1]
-# NO-LINT-MAKEFILE  := true#               # Note[1]
+NO-LINT-MAKEFILE  := true#               # Note[1]
 # NO-LINT-REUSE     := true                # License check
 # NO-LINT-ROBOT     := true
 # NO-LINT-SHELL     := true#               # Note[1]