Add toybox 0.7.2.

Change-Id: I358238d7810c017b88d4113e3f45adbffffed5e9
diff --git a/toybox-0.7.2.tar.gz b/toybox-0.7.2.tar.gz
new file mode 100644
index 0000000..2987b85
--- /dev/null
+++ b/toybox-0.7.2.tar.gz
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