Add GDB prettyprinters for a few more MLIR types.

Reviewed By: dblaikie, jpienaar

Differential Revision: https://reviews.llvm.org/D87159
diff --git a/debuginfo-tests/lit.cfg.py b/debuginfo-tests/lit.cfg.py
index 4c45b72..0e43650 100644
--- a/debuginfo-tests/lit.cfg.py
+++ b/debuginfo-tests/lit.cfg.py
@@ -157,6 +157,6 @@
         if apple_lldb_vers < 1000:
             config.available_features.add('apple-lldb-pre-1000')
 
-llvm_config.feature_config([('--build-mode', {
-    'Debug|RelWithDebInfo': 'debug-info'
-})])
+llvm_config.feature_config(
+    [('--build-mode', {'Debug|RelWithDebInfo': 'debug-info'})]
+)