staging: unisys: visorbus: fix up gotos in visorbus_init

This patch fixes the gotos in visorbus_init

Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Timothy Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>