drm/i915: Add RPL-S PCI IDs

Add couple of RPL-S device ids

Bspec : 53655
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220322040616.1078009-1-tejaskumarx.surendrakumar.upadhyay@intel.com

include/drm/i915_pciids.h

@@ -679,6 +679,8 @@
 	INTEL_VGA_DEVICE(0xA782, info), \
 	INTEL_VGA_DEVICE(0xA783, info), \
 	INTEL_VGA_DEVICE(0xA788, info), \
-	INTEL_VGA_DEVICE(0xA789, info)
+	INTEL_VGA_DEVICE(0xA789, info), \
+	INTEL_VGA_DEVICE(0xA78A, info), \
+	INTEL_VGA_DEVICE(0xA78B, info)
 
 #endif /* _I915_PCIIDS_H */