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/trident/trident.c b/sound/pci/trident/trident.c
index 21cef97..6d05818 100644
--- a/sound/pci/trident/trident.c
+++ b/sound/pci/trident/trident.c
@@ -62,7 +62,7 @@
 module_param_array(wavetable_size, int, NULL, 0444);
 MODULE_PARM_DESC(wavetable_size, "Maximum memory size in kB for wavetable synth.");
 
-static struct pci_device_id snd_trident_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_trident_ids) = {
 	{PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX), 
 		PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
 	{PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX),