ALSA: hda: cix-ipbloq: Avoid build with 32bit archs

The cix-ipbloq driver has an assumption of 64bit DMA address, and
building it for 32bit dma_addr_t leads to a sparse / compile warning.
Simply disable the builds for 32bit archs for avoiding such reports.

Fixes: d91e9bd10125 ("ALSA: hda: add CIX IPBLOQ HDA controller support")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202608061559.Kxqvi5LZ-lkp@intel.com/
Link: https://patch.msgid.link/20260806104431.1300304-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>