lenovo/x2x0,t530 hda_verb.c: codestyle - remove some spaces

Change-Id: Ieee54e28641f88497503d6d91ddeb52ad091d78d
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/7274
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>