drm/i915/dg1: add more PCI ids

Synchronize with the current list of DG1 PCI IDs.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201007002210.3678024-1-lucas.demarchi@intel.com

include/drm/i915_pciids.h

@@ -624,6 +624,9 @@
 
 /* DG1 */
 #define INTEL_DG1_IDS(info) \
-	INTEL_VGA_DEVICE(0x4905, info)
+	INTEL_VGA_DEVICE(0x4905, info), \
+	INTEL_VGA_DEVICE(0x4906, info), \
+	INTEL_VGA_DEVICE(0x4907, info), \
+	INTEL_VGA_DEVICE(0x4908, info)
 
 #endif /* _I915_PCIIDS_H */