firewire: adjust whitespace

Remove space before tab and trailing whitespace.
Unify indentation of goto target labels.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

diff --cc drivers/firewire/fw-device.c
Simple merge

diff --cc drivers/firewire/fw-iso.c
Simple merge

diff --cc drivers/firewire/fw-ohci.c
Simple merge