Match macros with spaces between # and define

Signed-off-by: Yuto Takano <yuto.takano@arm.com>
diff --git a/tests/scripts/check-names.py b/tests/scripts/check-names.py
index 406810b..7286cb7 100755
--- a/tests/scripts/check-names.py
+++ b/tests/scripts/check-names.py
@@ -250,7 +250,7 @@
 
         Returns a List of Match objects for the found macros.
         """
-        MACRO_REGEX = r"#define (?P<macro>\w+)"
+        MACRO_REGEX = r"# *define +(?P<macro>\w+)"
         NON_MACROS = (
             "asm", "inline", "EMIT", "_CRT_SECURE_NO_DEPRECATE", "MULADDC_"
         )