Update Archive Path of Build Artifacts

There are some changes on install directory structure of TF-M.
Contents in 'export/tfm' are moved to 'interface'.
So the archive path needs to be changed to 'interface'.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I6d1fd9f2db5613a8601841240b358017c8ad3201
1 file changed