ppc4xx: Add .gitignore file to xilinx-ppc440 boards

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@uam.es>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/avnet/v5fx30teval/.gitignore b/board/avnet/v5fx30teval/.gitignore
new file mode 100644
index 0000000..f6418a0
--- /dev/null
+++ b/board/avnet/v5fx30teval/.gitignore
@@ -0,0 +1 @@
+/config.tmp
diff --git a/board/xilinx/ml507/.gitignore b/board/xilinx/ml507/.gitignore
new file mode 100644
index 0000000..f6418a0
--- /dev/null
+++ b/board/xilinx/ml507/.gitignore
@@ -0,0 +1 @@
+/config.tmp
diff --git a/board/xilinx/ppc440-generic/.gitignore b/board/xilinx/ppc440-generic/.gitignore
new file mode 100644
index 0000000..f6418a0
--- /dev/null
+++ b/board/xilinx/ppc440-generic/.gitignore
@@ -0,0 +1 @@
+/config.tmp