sound: use DEFINE_PCI_DEVICE_TABLE

Use DEFINE_PCI_DEVICE_TABLE() to make PCI device ids go to
.devinit.rodata section, so they can be discarded in some cases,
and make them const.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/cs4281.c

@@ -494,7 +494,7 @@ struct cs4281 {
 
 static irqreturn_t snd_cs4281_interrupt(int irq, void *dev_id);
 
-static struct pci_device_id snd_cs4281_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_cs4281_ids) = {
 	{ PCI_VDEVICE(CIRRUS, 0x6005), 0, },	/* CS4281 */
 	{ 0, }
 };