Improving file list stability

[spequer]

Fusesoc using solver to generate file list. However, due to solver's nature, generated list is not consist on different build.
It is hard to compare differences of different version.
We could use the following patch to stablize the result:

--- ./capi2/core.py~    2022-02-11 15:49:42.000000000 +0800
+++ ./capi2/core.py     2022-11-17 15:03:27.706132396 +0800
@@ -344,7 +344,7 @@
         for fs in self._get_filesets(flags):
             depends += [Vlnv(d) for d in self._parse_list(flags, fs.depend)]
         depends += self._generator_created_dependencies
-        return depends
+        return sorted(depends)

     def get_files(self, flags):
         src_files = []