Staging: ipack/bridges/tpci200: remove "out" label in tpci200_request_irq()

Remove the "out" label from tpci200_request_irq(), as it can directly return
the error code instead of jumping.

Signed-off-by: Miguel Gómez <magomez@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>