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>
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index a11f453..ecaea9f 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -551,7 +551,7 @@
 
 static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id);
 
-static struct pci_device_id snd_es1968_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_es1968_ids) = {
 	/* Maestro 1 */
         { 0x1285, 0x0100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, TYPE_MAESTRO },
 	/* Maestro 2 */