feat(fconf): add NS load address in configuration DTB nodes

Retrieved the NS load address of configs from FW_CONFIG device tree,
and modified the prototype of "set_config_info" to update device tree
information with the retrieved address.

Change-Id: Ic5a98ba65bc7aa0395c70c7d450253ff8d84d02c
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
2 files changed