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Modified the `fconf_load_config` function so that it can
additionally support loading of tb_fw_config along with
fw_config.
Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ie060121d367ba12e3fcac5b8ff169d415a5c2bcd