Add support for pre-commit hook/linting

.pre-commit-config.yaml
-----------------------
  o Create initial config for pre-commit hook.

misc/*
  o Basic inline cleanups courtesy of the pre-commit hook.

Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
Change-Id: I6aa20216ade22b1a7406e8358864fb245842b713
diff --git a/vars/waitForAdapters.groovy b/vars/waitForAdapters.groovy
index e6a9a17..3cc56e3 100644
--- a/vars/waitForAdapters.groovy
+++ b/vars/waitForAdapters.groovy
@@ -148,7 +148,7 @@
             : 'CONTINUE'
     }
 
-    
+
     if (debug) {
         leave("return: [$ans]")
     }