Build toybox.

Change-Id: I2ae49ed68086fd9407f4e50636300d011c85d557
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fbc31d5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+/.config.old
+/generated/build.sh
+/generated/config2help
+/generated/Config.in
+/generated/Config.probed
+/generated/mkflags
+/generated/optlibs.dat
+/kconfig