support for FFDC-only isolation nodes in chip data

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: Ib457329d31a9f01eb6992e57b11d84c06a63e6e7
diff --git a/xml/.gitignore b/xml/.gitignore
new file mode 100644
index 0000000..84c048a
--- /dev/null
+++ b/xml/.gitignore
@@ -0,0 +1 @@
+/build/