pushimage: Add hps_firmware as valid sign_type

This CL added hps_firmware signing:
https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3388260
But did not add support for hps_firmware as a sign_type.

BUG=b:219371209
TEST=config/refresh_generated_files

Change-Id: I384b084b9b8be05c30d4f19ba3d77ae821f4cde9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3459340
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Evan Benn <evanbenn@chromium.org>
Auto-Submit: Evan Benn <evanbenn@chromium.org>
Commit-Queue: Evan Benn <evanbenn@chromium.org>
diff --git a/scripts/pushimage_unittest.py b/scripts/pushimage_unittest.py
index 7c8ea2c..9f49256 100644
--- a/scripts/pushimage_unittest.py
+++ b/scripts/pushimage_unittest.py
@@ -290,7 +290,7 @@
     with mock.patch.object(gs.GSContext, 'Exists', return_value=True):
       urls = pushimage.PushImage('/src', 'test.board', 'R34-5126.0.0',
                                  sign_types=['recovery'])
-    self.assertEqual(self.gs_mock.call_count, 34)
+    self.assertEqual(self.gs_mock.call_count, 36)
     self.assertTrue(self.mark_mock.called)
     self.assertEqual(urls, EXPECTED)
 
@@ -308,7 +308,7 @@
     with mock.patch.object(gs.GSContext, 'Exists', return_value=True):
       urls = pushimage.PushImage('/src', 'test.board', 'R34-5126.0.0',
                                  sign_types=['base'])
-    self.assertEqual(self.gs_mock.call_count, 36)
+    self.assertEqual(self.gs_mock.call_count, 38)
     self.assertTrue(self.mark_mock.called)
     self.assertEqual(urls, EXPECTED)
 
@@ -326,7 +326,7 @@
     with mock.patch.object(gs.GSContext, 'Exists', return_value=True):
       urls = pushimage.PushImage('/src', 'board2', 'R34-5126.0.0',
                                  sign_types=['gsc_firmware'])
-    self.assertEqual(self.gs_mock.call_count, 34)
+    self.assertEqual(self.gs_mock.call_count, 36)
     self.assertTrue(self.mark_mock.called)
     self.assertEqual(urls, EXPECTED)
 
@@ -334,7 +334,7 @@
     """Verify nothing is signed when we request an unavailable type"""
     urls = pushimage.PushImage('/src', 'test.board', 'R34-5126.0.0',
                                sign_types=['nononononono'])
-    self.assertEqual(self.gs_mock.call_count, 32)
+    self.assertEqual(self.gs_mock.call_count, 34)
     self.assertFalse(self.mark_mock.called)
     self.assertEqual(urls, {})