drm/nouveau: support fetching LVDS EDID from ACPI

Based on a patch from Matthew Garrett.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Matthew Garrett <mjg@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index bd33a54..cc52aec 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -118,6 +118,7 @@
 		struct {
 			struct sor_conf sor;
 			bool use_straps_for_mode;
+			bool use_acpi_for_edid;
 			bool use_power_scripts;
 		} lvdsconf;
 		struct {