iwlwifi: add new FWs from core78-32 release

Add the -81.ucode firmwares for the currently supported hardware and
update -77.ucode firmwares. Update corresponding PNVM files.

Build number: Core_build_core78-32
Revision: 206b0184 (Qu, QuZ, cc)
Revision: 31fc9ae6 (so, ty)

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>

WHENCE

@@ -1017,25 +1017,25 @@ File: iwlwifi-so-a0-jf-b0-74.ucode
 Version: 74.a5e9588b.0
 
 File: iwlwifi-cc-a0-77.ucode
-Version: 74.2dda880d.0
+Version: 74.206b0184.0
 
 File: iwlwifi-Qu-b0-hr-b0-77.ucode
-Version: 74.2dda880d.0
+Version: 74.206b0184.0
 
 File: iwlwifi-Qu-b0-jf-b0-77.ucode
-Version: 74.2dda880d.0
+Version: 74.206b0184.0
 
 File: iwlwifi-Qu-c0-hr-b0-77.ucode
-Version: 74.2dda880d.0
+Version: 74.206b0184.0
 
 File: iwlwifi-Qu-c0-jf-b0-77.ucode
-Version: 74.2dda880d.0
+Version: 74.206b0184.0
 
 File: iwlwifi-QuZ-a0-hr-b0-77.ucode
-Version: 74.2dda880d.0
+Version: 74.206b0184.0
 
 File: iwlwifi-QuZ-a0-jf-b0-77.ucode
-Version: 74.f92b5fed.0
+Version: 74.206b0184.0
 
 File: iwlwifi-ty-a0-gf-a0-77.ucode
 Version: 74.f92b5fed.0
@@ -1046,6 +1046,9 @@ Version: 75.3bfdc55f.0
 File: iwlwifi-ty-a0-gf-a0-79.ucode
 Version: 76.27f1c37b.0
 
+File: iwlwifi-ty-a0-gf-a0-81.ucode
+Version: 78.31fc9ae6.0
+
 File: iwlwifi-so-a0-gf4-a0-77.ucode
 Version: 74.f92b5fed.0
 
@@ -1055,6 +1058,9 @@ Version: 75.3bfdc55f.0
 File: iwlwifi-so-a0-gf4-a0-79.ucode
 Version: 76.27f1c37b.0
 
+File: iwlwifi-so-a0-gf4-a0-81.ucode
+Version: 78.31fc9ae6.0
+
 File: iwlwifi-so-a0-gf-a0-77.ucode
 Version: 74.f92b5fed.0
 
@@ -1064,12 +1070,18 @@ Version: 74.3bfdc55f.0
 File: iwlwifi-so-a0-gf-a0-79.ucode
 Version: 75.27f1c37b.0
 
+File: iwlwifi-so-a0-gf-a0-81.ucode
+Version: 78.31fc9ae6.0
+
 File: iwlwifi-so-a0-hr-b0-77.ucode
 Version: 74.f92b5fed.0
 
 File: iwlwifi-so-a0-hr-b0-79.ucode
 Version: 75.27f1c37b.0
 
+File: iwlwifi-so-a0-hr-b0-81.ucode
+Version: 78.31fc9ae6.0
+
 File: iwlwifi-so-a0-jf-b0-77.ucode
 Version: 74.f92b5fed.0