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/sis7019.c b/sound/pci/sis7019.c
index 1a5ff06..7e3e8fb 100644
--- a/sound/pci/sis7019.c
+++ b/sound/pci/sis7019.c
@@ -48,7 +48,7 @@
 module_param(enable, bool, 0444);
 MODULE_PARM_DESC(enable, "Enable SiS7019 Audio Accelerator.");
 
-static struct pci_device_id snd_sis7019_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_sis7019_ids) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SI, 0x7019) },
 	{ 0, }
 };