add .gitignore files

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1618712
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,27 @@
+#
+# Kbuild ignores
+#
+.*
+*.o
+*.o.*
+*.a
+*.s
+
+#
+# Never ignore these
+#
+!.gitignore
+
+#
+# Normal output
+#
+/busybox
+/busybox_unstripped*
+
+#
+# Backups / patches
+#
+*~
+*.orig
+*.rej
+/*.patch