.gitignore: ignore qemu-ga and qapi-generated

Add a new binary and generation directory to the gitignore file
Signed-off-by: NAlexandre Raymond <cerbere@gmail.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

.gitignore

@@ -15,6 +15,7 @@ libdis*
 libhw32
 libhw64
 libuser
+qapi-generated
 qemu-doc.html
 qemu-tech.html
 qemu-doc.info
@@ -32,6 +33,7 @@ qemu-options.texi
 qemu-img-cmds.texi
 qemu-img-cmds.h
 qemu-io
+qemu-ga
 qemu-monitor.texi
 QMP/qmp-commands.txt
 .gdbinit