The bank values are all little-endians, so they should be defined with
__le32.  This fixes lots of sparse warnings like:
  sound/pci/ymfpci/ymfpci_main.c:315:23: warning: cast to restricted __le32
  sound/pci/ymfpci/ymfpci_main.c:342:32: warning: incorrect type in assignment (different base types)
Signed-off-by: Takashi Iwai <tiwai@suse.de>