drm/nouveau/device: remove pci/platform_device from common struct

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 6224246..df2d981 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -372,12 +372,12 @@
 	return len;
 }
 
-bool nouveau_acpi_rom_supported(struct pci_dev *pdev)
+bool nouveau_acpi_rom_supported(struct device *dev)
 {
 	acpi_status status;
 	acpi_handle dhandle, rom_handle;
 
-	dhandle = ACPI_HANDLE(&pdev->dev);
+	dhandle = ACPI_HANDLE(dev);
 	if (!dhandle)
 		return false;