tree bbf40d293ad61cbc1644f53b4425a303cce16c4a
parent 60fd3ad1bc50ac1df01dccae51e697b19deccbed
author Joe Hershberger <joe.hershberger@ni.com> 1355285785 -0600
committer Tom Rini <trini@ti.com> 1355424415 -0700

env: Add a command to view callbacks

The callbacks can be bound, but are otherwise invisible.  Add a command
to show what callbacks are available.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>

!!! fix callback command