Add libtwin package for PS3 petitboot bootloader

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13593 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/libtwin b/package/libtwin
new file mode 120000 (symlink)
index 0000000..9192de2
--- /dev/null
+++ b/package/libtwin
@@ -0,0 +1 @@
+../../packages/libs/libtwin
\ No newline at end of file