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/makefiles/commands/kail/godownloader.sh b/makefiles/commands/kail/godownloader.sh
index 54a9fd6..63354bb 100755
--- a/makefiles/commands/kail/godownloader.sh
+++ b/makefiles/commands/kail/godownloader.sh
@@ -56,6 +56,7 @@
   shift $((OPTIND - 1))
   TAG=$1
 }
+
 # this function wraps all the destructive operations
 # if a curl|bash cuts off the end of the script due to
 # network, either nothing will happen or will syntax error
@@ -139,16 +140,20 @@
 but credit (and pull requests) appreciated.
 ------------------------------------------------------------------------
 EOF
+
 is_command() {
   command -v "$1" >/dev/null
 }
 echoerr() {
   echo "$@" 1>&2
 }
+
 log_prefix() {
+    # shellcheck disable=SC2317
   echo "$0"
 }
 _logp=6
+
 log_set_priority() {
   _logp="$1"
 }
@@ -207,7 +212,7 @@
     armv6*) arch="armv6" ;;
     armv7*) arch="armv7" ;;
   esac
-  echo ${arch}
+  echo "${arch}"
 }
 uname_os_check() {
   os=$(uname_os)