Rename spring-* to daisy_spring-*.

This is blocking testing on daisy_spring-release, so we're looking to
push this out today.

Note that this depends on a matching waterfall push going out at the
same time.

BUG=chromium:237602
TEST=cbuildbot_config_unittest.py
TEST=local waterfall restart with matched changes

Change-Id: I07dcbde2210109efbf5497b87eccf7722f279a3d
Previous-Reviewed-on: https://gerrit.chromium.org/gerrit/50363
(cherry picked from commit 2443719e006ad70b476d00635666899092577e13)
Reviewed-on: https://gerrit.chromium.org/gerrit/50395
Reviewed-by: Ryan Cui <rcui@chromium.org>
Tested-by: Ryan Cui <rcui@chromium.org>
diff --git a/buildbot/cbuildbot_config.py b/buildbot/cbuildbot_config.py
index fca5aba..fc2df37 100755
--- a/buildbot/cbuildbot_config.py
+++ b/buildbot/cbuildbot_config.py
@@ -1061,7 +1061,7 @@
   upload_hw_test_artifacts=True,
 )
 
-internal_arm_paladin.add_config('spring-paladin',
+internal_arm_paladin.add_config('daisy_spring-paladin',
   boards=['daisy_spring'],
   paladin_builder_name='daisy spring paladin',
 )
@@ -1297,7 +1297,7 @@
   critical_for_chrome=True,
 )
 
-_arm_release.add_config('spring-release',
+_arm_release.add_config('daisy_spring-release',
   boards=['daisy_spring'],
   hw_tests=[],
 )