upstream: fdtget: Add -l to list the subnodes of a node

This option lists the subnodes of each node given as a parameter, one
subnode per line.

Series-changes: 2
- Change the term 'child' to 'subnode'

Acked-by: David Gibson <david@gibson.dropbear.id.au>

(pulled in from mailing list after ack)
BUG=chromium-os:23249
TEST=FEATURES=test sudo -E emerge dtc

Change-Id: I54acdbfc992dbb38c1fff1d49a3626ca18d39266
1 file changed