doc: Install chrpath
doc: Install chrpath

Bug: https://jira.iotivity.org/browse/IOT-3120
Change-Id: I0cf7091c124548504e44f614da69a5d61d702002
Signed-off-by: Philippe Coval <ff46fec9739d31cce915aabcc3a7a2c00eee4d6c@osg.samsung.com>

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