This change adds the initial (empty) fsi bus definition, and introduces
drivers/fsi/.
Signed-off-by: NJeremy Kerr <jk@ozlabs.org>
Signed-off-by: NChris Bostic <cbostic@us.ibm.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>