Restructure scripts' folder alignment

Moved python script generate_driver_wrappers.py under scripts and
corresponding template file under script/data_files.

Signed-off-by: Archana <archana.madhavan@silabs.com>

scripts/generate_driver_wrappers.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+import sys
+import json
+import os
+import jinja2
+
+def render(tpl_path):
+    path, filename = os.path.split(tpl_path)
+    return jinja2.Environment(
+        loader=jinja2.FileSystemLoader(path or './'),
+        keep_trailing_newline=True,
+    ).get_template(filename).render()
+
+n = len(sys.argv)
+if ( n != 3 ):
+    sys.exit("The template file name and output file name are expected as arguments")
+# set template file name, output file name
+driver_wrapper_template_filename = sys.argv[1]
+driver_wrapper_output_filename = sys.argv[2]
+
+# render the template
+result = render(driver_wrapper_template_filename)
+
+# write output to file
+outFile = open(driver_wrapper_output_filename,"w")
+outFile.write(result)
+outFile.close()