Fix typo in PFW when loading plugins

BZ: 151782

There is a typo in the error message when a plugin is not found
(folowings instead of following).

This patch updates the error message.

Change-Id: Ifdb749fd90d646d0c04522874e879a329520de0f
Signed-off-by: Frédéric Boisnard <fredericx.boisnard@intel.com>
2 files changed