Build: Add support for json manifest format

Replace the .json by .h suffix when generating manifest output file

Change-Id: If336ae9aa10175b177b29739d6fece764ab0cd73
Signed-off-by: Jaykumar Pitambarbhai Patel <jay08ec71@yahoo.com>
diff --git a/tools/tfm_parse_manifest_list.py b/tools/tfm_parse_manifest_list.py
index 2e563b1..071fa78 100644
--- a/tools/tfm_parse_manifest_list.py
+++ b/tools/tfm_parse_manifest_list.py
@@ -104,7 +104,7 @@
             context['utilities'] = utilities
 
             manifest_dir, sep, manifest_name = manifest_path.rpartition('/')
-            outfile_name = manifest_name.replace('yaml', 'h')
+            outfile_name = manifest_name.replace('yaml', 'h').replace('json', 'h')
             outfile_path = manifest_dir + sep + "psa_manifest/" + outfile_name
 
             context['file_name'] = outfile_name.replace('.h', '')