Allow Licence Header skip

Amended licence header check to allow inclusion of a skip.

scripts/check-licence-header.sh

@@ -20,6 +20,13 @@ RETURN_CODE="0"
 licenceHeaderCheck () {
 
 	FILE_CODE="0";
+
+	head -n 1 $1 | grep -q '// Licence-Check-Skip \[ .[^]]*]'
+	if [ $? -eq 0 ]; then
+                echo -n "[SKIP] $1, "
+		head -n 1 $1 | sed 's/^[^\[]*/ /'
+	else
+
 	sed -n '2p' $1 | grep -q '   SPDX-License-Identifier: GPL-3.0-only'
 	if [ $? -ne 0 ]; then
 		echo "[ERROR] $1, line 2 missing spdx licence header declaration."
@@ -51,6 +58,8 @@ licenceHeaderCheck () {
 	if [[ ${FILE_CODE} -eq 0 ]]; then
 		echo "[OK] File: $1 passes licence header check."
 	fi
+
+	fi
 }