add .gitignore file

I've had this around for a long time but somehow it never got
committed.

diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
index 0000000..c1a6cd5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+*.o
+*.lo
+*.a
+*.so
+*.so.1
+arch/*/bits/alltypes.h
+config.mak
+include/bits
+tools/musl-gcc