i915: Add versionless HuC files for current platforms

Direction from upstream is to use minimal version numbering on
firmware files and replace rather than add. So add versionless
editions of the HuC files for currently HuC enabled platforms.

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>

WHENCE

@@ -4644,6 +4644,9 @@ Version: Huc API/APB ver 7 release 5 for Tigerlake
 File: i915/tgl_huc_7.9.3.bin
 Version: HuC API/APB ver 7.9.3 for Tigerlake
 
+File: i915/tgl_huc.bin
+Version: HuC API/APB ver 7.9.3 for Tigerlake
+
 File: i915/rkl_dmc_ver2_02.bin
 Version: DMC API/APB ver 2 release 2 for Rocketlake
 
@@ -4674,6 +4677,9 @@ Version: Huc API/APB ver 7 release 1 for DG1
 File: i915/dg1_huc_7.9.3.bin
 Version: HuC API/APB ver 7.9.3 for DG1
 
+File: i915/dg1_huc.bin
+Version: HuC API/APB ver 7.9.3 for DG1
+
 File: i915/adls_dmc_ver2_01.bin
 Version: DMC API/APB ver 2 release 1 for Alderlake S