忽略 .gitkeep 文件

Signed-off-by: a1012112796 <1012112796@qq.com>

mkromfs.py

@@ -137,6 +137,9 @@ class Folder(object):
         body_li = []
         payload_li = []
         for c in self._children:
+            if c.name == '.gitkeep':
+                continue
+
             entry_size = c.entry_size
             if isinstance(c, File):
                 tp = 'ROMFS_DIRENT_FILE'