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/echoaudio/gina24.c b/sound/pci/echoaudio/gina24.c
index c36a78d..616b558 100644
--- a/sound/pci/echoaudio/gina24.c
+++ b/sound/pci/echoaudio/gina24.c
@@ -85,7 +85,7 @@
 	{0, "gina24_361_asic.fw"}
 };
 
-static struct pci_device_id snd_echo_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = {
 	{0x1057, 0x1801, 0xECC0, 0x0050, 0, 0, 0},	/* DSP 56301 Gina24 rev.0 */
 	{0x1057, 0x1801, 0xECC0, 0x0051, 0, 0, 0},	/* DSP 56301 Gina24 rev.1 */
 	{0x1057, 0x3410, 0xECC0, 0x0050, 0, 0, 0},	/* DSP 56361 Gina24 rev.0 */