i915: Update MTL DMC to v2.16

There were some releases of MTL DMC since the last update. We are
updating to v2.16 here, but see below release notes for each release.

Release notes for v2.16:

    1. Bug fix for Debuggability DCN.

Release notes for v2.15:

    1. Bug fix for HRR.

Release notes for v2.14:

    1. Fix for HRR feature.

Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>

WHENCE

@@ -4724,7 +4724,7 @@ File: i915/mtl_dmc_ver2_10.bin
 Version: DMC API/APB ver 2 release 10 for Meteorlake
 
 File: i915/mtl_dmc.bin
-Version: DMC API/APB ver 2 release 13 for Meteorlake
+Version: DMC API/APB ver 2 release 16 for Meteorlake
 
 File: i915/mtl_guc_70.bin
 Version: GuC API/APB ver 70.8.0 for Meteorlake