Modifying the amd-sfh bus name to meaningful name.

Fixes: 4b2c53d9 ("SFH:Transport Driver to add support of AMD Sensor Fusion Hub (SFH)")
Signed-off-by: NMario Limonciello <mario.limonciello@amd.com>
Signed-off-by: NBasavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>