lio_dump: Add TPG auth attribute check for lio_target_configfs_dump
lio_dump: Add TPG auth attribute check for lio_target_configfs_dump

This patch adds an optional TPG auth attribute that may be present
while scanning TPG entries in lio_target_configfs_dump().

Signed-off-by: Nicholas Bellinger <978acd1567d5598152161fdf8bf3ca568f950c9b@risingtidesystems.com>

Datera/lio-utils,Datera/lio-utils,Datera/lio-utils,Datera/lio-utils