drm/i915: rename/remove CNL registers

Remove registers that are not used anymore due to CNL removal and rename
those that are.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210728215946.1573015-25-lucas.demarchi@intel.com

drivers/gpu/drm/i915/intel_device_info.c

@@ -367,7 +367,7 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
 			info->display.has_dmc = 0;
 
 		if (DISPLAY_VER(dev_priv) >= 10 &&
-		    (dfsm & CNL_DFSM_DISPLAY_DSC_DISABLE))
+		    (dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
 			info->display.has_dsc = 0;
 	}