ALSA: asihpi: fix some indenting in snd_card_asihpi_pcm_new()

This used to be a part of a condition until f3d145aa

 ('ALSA: asihpi:
MMAP for non-busmaster cards') but now it's not and we can remove an
indent level.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>