[lldb] [lit] Skip more tests when Python is unavailable

LocalLLDBInit.test requires Python module loading support.
CommandScriptImmediateOutput tests are specific to running scripts.
Disable all of them when Python support is disabled.

llvm-svn: 361115

lldb/lit/Commands/CommandScriptImmediateOutput/lit.local.cfg

@@ -0,0 +1,2 @@
+if not "python" in config.available_features:
+    config.unsupported = True

lldb/lit/Driver/LocalLLDBInit.test

@@ -1,3 +1,4 @@
+# REQUIRES: python
 # RUN: mkdir -p %t.root
 # RUN: mkdir -p %t.home
 # RUN: cp %S/Inputs/.lldbinit %t.root